{"title":"Civic Si 2002-2005 Cooling","description":null,"products":[{"product_id":"hybrid-racing-31mm-36mm-t-bolt-hose-clamp","title":"Hybrid Racing 31mm to 36mm Adjustable T-Bolt Hose Clamps","description":"\u003cul\u003e\n\u003cli\u003eClean up your radiator hoses and engine bay. \u003c\/li\u003e\n\u003cli\u003eWon't chew up rubber like worm clamps. \u003c\/li\u003e\n\u003cli\u003eSold in packs of 2 \u003c\/li\u003e\n\u003cli\u003eMost applications need 2 or 4. \u003c\/li\u003e\n\u003cli\u003eAdjustable from 31mm to 36mm \u003c\/li\u003e\n\u003cli\u003eMade of Stainless Steel \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\nOur stainless steel radiator hose t-bolt clamps work great on the filler neck hose for 8th Gen (06-11) Honda Civic. Minimum size 31mm (1.22in), maximum size 36mm (1.41in.) Can also be used on many other hoses in the engine bay.\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48938365572,"sku":"HYB-TBC-00-04","price":19.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-TBC-00-04_1.jpg?v=1748444740"},{"product_id":"hybrid-racing-12in-universal-slim-fan","title":"Hybrid Racing 12\" Universal Slim Fan","description":"\u003cul\u003e\n\u003cli\u003e12\" Slim Fan \u003c\/li\u003e\n\u003cli\u003e6.7 amps \u003c\/li\u003e\n\u003cli\u003e12v @ 80watts \u003c\/li\u003e\n\u003cli\u003e2.25\" thick! \u003c\/li\u003e\n\u003cli\u003e1200 CFM \u003c\/li\u003e\n\u003cli\u003eIncludes Mounting Hardware \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\n\u003cp\u003eThese universal slim fans can fit and work in a variety of applications. If you are doing a K-Series engine swap you will need to change the fan since the OE units are too thick. This fan works also works great with our full-size radiators. We recommend using a 12\" slim fan on half-size radiators (EG CIVICS USE 10-INCH FAN) and (2) 10\" fans on the full-size radiators. \u003c\/p\u003e\n \n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n  \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n   \n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n \n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48947352772,"sku":"HYB-FAN-01-12","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-FAN-01-12_9.jpg?v=1721415333"},{"product_id":"thermostat-housing-plug-and-bracket","title":"Hybrid Racing K Series Thermostat Housing Plug \u0026 Bracket","description":"\u003cul\u003e\n\u003cli\u003eDon’t loop your heater lines! \u003c\/li\u003e\n\u003cli\u003eThis is a cleaner solution  \u003c\/li\u003e\n\u003cli\u003eUse with: HYB-CHP-01-02 \u003c\/li\u003e\n\u003cli\u003eO-ring’d plug that fits perfect \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\nSome of you may be interested in deleting the heater hoses and core from your K-swapped vehicle. The Hybrid Racing T-stat plug and bracket allows you to remove the OEM heater hose pipe and properly block off the opening that is left behind. The o-ring sealed plug is a perfect fit, and the special hold down bracket will make certain that the plug stays in place allowing you to clean up your engine bay and eliminate the long heater hose that is heating up your intake manifold! Ugly looped hoses are no longer needed.\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48947525124,"sku":"HYB-HHP-01-02","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-HHP-01-02_1.jpg?v=1768016172"},{"product_id":"t-bolt-hose-clamps-hyb-tbc-00-02","title":"Hybrid Racing 38mm to 42mm Adjustable T-Bolt Hose Clamps","description":"\u003cul\u003e\n\u003cli\u003eClean up your engine bay. \u003c\/li\u003e\n\u003cli\u003eWon't chew up rubber like worm clamps \u003c\/li\u003e\n\u003cli\u003eSold in packs of 2 \u003c\/li\u003e\n\u003cli\u003eMost applications need 2 or 4. \u003c\/li\u003e\n\u003cli\u003eAdjustable from 38mm to 42mm \u003c\/li\u003e\n\u003cli\u003eMade of Stainless Steel \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\nAre you tired of the old school pressure clamps you have on your radiator hoses? Replace old work pressure for worm type clamps. These new T-bolt clamps are fully adjustable and work in a variety of applications.\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48947544772,"sku":"HYB-TBC-00-02","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-TBC-00-02_1.jpg?v=1748444801"},{"product_id":"hybrid-racing-10-slim-fan","title":"Hybrid Racing 10\" Universal Slim Fan","description":"\u003cul\u003e\n\u003cli\u003e10\" Slim Fan \u003c\/li\u003e\n\u003cli\u003e6.7 amps \u003c\/li\u003e\n\u003cli\u003e12v @ 80watts \u003c\/li\u003e\n\u003cli\u003e2.25\" thick! \u003c\/li\u003e\n\u003cli\u003e1000CFM \u003c\/li\u003e\n\u003cli\u003eIncludes Mounting Hardware \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\n\u003cp\u003eThese universal slim fans can fit and work in a variety of applications. If you are doing a K-Series engine swap you will need to change the fan since the OE units are too thick. This fan works also works great with our full-size radiators. We recommend using a 12\" slim fan on half-size radiators and (2) 10\" fans on the full-size radiators. \u003c\/p\u003e\n \n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n  \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n   \n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n \n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48950955780,"sku":"HYB-FAN-01-10","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-FAN-01-10_6.jpg?v=1730477315"},{"product_id":"rsx-and-ep3-silicone-radiator-hoses-hyb-rah-01-18-c","title":"Hybrid Racing Radiator Hoses for 02-06 RSX\/02-05 Civic Si","description":"\u003cul\u003e\n\u003cli\u003e4-Ply Polyester Reinforced Silicone \u003c\/li\u003e\n\u003cli\u003eHR Green Inner lining \u003c\/li\u003e\n\u003cli\u003eMeets or exceeds SAE20R4# standards \u003c\/li\u003e\n\u003cli\u003eDress up your engine bay with durable, easy-to-clean silicone hoses. \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\n\u003cp\u003eThese high-quality radiator hoses are the last you’ll ever need. Made with multi-layer fiberglass reinforced silicone and finished with a durable silicone outer layer, they’re pressure and temperature resistant from -165° to 350°F. We’ve also altered the upper hose geometry to provide an extra inch of clearance for your cold air intake, eliminating interference and keeping everything clean. Speaking of clean, all you need is a little soapy water and a lint-free rag to keep these hoses looking their sexiest. Make your engine bay pop with Hybrid Racing’s silicone radiator hoses.\u003c\/p\u003e\n \n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \n\u003cb\u003eFits:\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003e2002-2006 Acura RSX\u003c\/li\u003e\n\u003cli\u003e2002-2005 Honda Civic Si\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n   \n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\n\u003cul\u003e\n\u003cli\u003eUpper radiator hose\u003c\/li\u003e\n\u003cli\u003eLower radiator hose\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n \n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48955271876,"sku":"HYB-RAH-01-18","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-RAH-01-18_1_e25a63e0-482c-43ef-a23a-7ebc921c679e.jpg?v=1744206657"},{"product_id":"heater-core-delete-kit-1","title":"Hybrid Racing K Series Cylinder Head Heater Pipe Plug","description":"\u003cul\u003e\n\u003cli\u003eEasy to install  \u003c\/li\u003e\n\u003cli\u003eReplaces heater outlet pipe \u003c\/li\u003e\n\u003cli\u003eClean up your engine bay \u003c\/li\u003e\n\u003cli\u003eStainless Steel \u0026amp; Brass washer \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\n\u003cp\u003eClean up your engine bay and eliminate unnecessary stuff with the Hybrid Racing Cylinder Head Heater Pipe Plug.This piece allows you to delete the heater hose on the back of a K20A\/A2\/A3\/Z1 cylinder head. Never deal with looped hoses again!\u003c\/p\u003e\n\u003cp\u003ePurchase the Heater Core Delete Kit if you want to remove the thermostat housing heater tube as well. (HYB-HCD-01-03)\u003c\/p\u003e\n \n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003eK Swaps using K20A\/A2\/A3\/Z1 Engines\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n   \n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n \n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":48960306628,"sku":"HYB-CHP-01-02","price":24.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-CHP-01-02_1crop.jpg?v=1768016145"},{"product_id":"hybrid-racing-16an-to-16orb-fitting-universal","title":"Hybrid Racing -16AN to -16ORB Straight Fitting (Universal)","description":"\u003cul\u003e\n\u003cli\u003eConverts -16 O-ring fitting \u003c\/li\u003e\n\u003cli\u003eTo -16AN fitting \u003c\/li\u003e\n\u003cli\u003eUniversal fitment  \u003c\/li\u003e\n\u003cli\u003eWorks with thermostat housing \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\nThis fitting is machined from billet aluminum and anodized black for a smooth durable finish. Use this fitting to connect your Hybrid Racing lower K-Series Adjustable Thermostat Housing to your radiator using AN fittings\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis fitting is specifically designed to work with our housing. It includes the correct compliant o-ring to prevent leaks or corrosion. Sold separately or this part can be purchased with the HYB-TSA-01-01 product. \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e*Thermostat housing not included*\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":40999294500898,"sku":"HYB-FIT-00-70","price":19.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-FIT-00-70_1.jpg?v=1768016191"},{"product_id":"hybridracing-low-temp-thermostat-k20a-prb","title":"Hybrid Racing Low Temp Thermostat for K20A\/A2\/A3\/Z1 \u0026 K24A1","description":"\u003cul\u003e\n\u003cli\u003eFully Open @ 68*C\/154.4*F \u003c\/li\u003e\n\u003cli\u003eOEM Quality - Made in Japan \u003c\/li\u003e\n\u003cli\u003eReduces Temperature Hunting \u003c\/li\u003e\n\u003cli\u003eCompatible with K20A\/A2\/A3\/Z1 and K24A1 Engines \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eHybrid Racing Low Temp Thermostat - K20A\/K20A2\/K20A3\/K20Z1\/K24A1 Engines\u003c\/h3\u003e\n\n\u003cp\u003eRunning your RSX or Civic Si hard at the track and fighting overheating? A low temp thermostat might be what you need. It opens earlier than the factory unit, which lets coolant flow while you're off throttle between corners. That gives your radiator time to catch up and bring temps down before you're back on it. If your cooling system's already maxed out and you're watching temps climb lap after lap, dropping in a low temp thermostat often fixes it without adding a bigger radiator or more fans.\u003c\/p\u003e\n\n\u003ch4\u003eOpens Earlier, Gives Your Radiator More Time\u003c\/h4\u003e\n\n\u003cp\u003eThe factory thermostat's designed for street driving where you're at steady load most of the time. At the track, you're cycling between hard pulls and heavy braking constantly. The factory thermostat doesn't open early enough to let the radiator catch up during those low-load sections, so your coolant temps just keep climbing until you're overheating. A low temp thermostat opens sooner, which means coolant starts flowing earlier and your radiator's got more time to bring temps down before you're back on throttle.\u003c\/p\u003e\n\n\u003ch4\u003eNo More Temperature Hunting\u003c\/h4\u003e\n\n\u003cp\u003eCheap thermostats cause temperature hunting, where your coolant temp bounces around instead of staying steady. That's hard on your head gasket and can eventually crack cylinder heads. Hybrid Racing sources these from Nippon Thermostat Co. Ltd., an OEM supplier that's been making thermostats since 1954. They supply over 50% of the cars built in Japan and their thermostats run in Le Mans and WRC cars. You're not dealing with temperature hunting or a thermostat that fails after one season.\u003c\/p\u003e\n\n\u003ch4\u003eBuilt to Last\u003c\/h4\u003e\n\n\u003cp\u003eNippon puts these through extensive durability testing: heating and cooling cycles, vibration testing, engine bench testing, and real-world testing in road cars and race cars. A failed thermostat at the track means an overheated engine and a tow home, so durability matters. These hold up.\u003c\/p\u003e\n\n\u003ch4\u003eWhat You Get\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHybrid Racing HYPERCOOL low temp thermostat\u003c\/li\u003e\n  \u003cli\u003eManufactured by Nippon Thermostat Co. Ltd.\u003c\/li\u003e\n  \u003cli\u003eOpens at lower temperature than factory\u003c\/li\u003e\n  \u003cli\u003ePrevents temperature hunting\u003c\/li\u003e\n  \u003cli\u003eExtensively durability tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eFits Your Car\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e2002-2006 Acura RSX Base (K20A3)\u003c\/li\u003e\n  \u003cli\u003e2002-2006 Acura RSX Type-S (K20A2)\u003c\/li\u003e\n  \u003cli\u003e2002-2005 Honda Civic Si (K20A3)\u003c\/li\u003e\n  \u003cli\u003e2002-2006 Honda CR-V (K24A1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eCompatible Engines\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003eK20A (RSX Type-S JDM)\u003c\/li\u003e\n  \u003cli\u003eK20A2 (RSX Type-S)\u003c\/li\u003e\n  \u003cli\u003eK20A3 (RSX Base, Civic Si)\u003c\/li\u003e\n  \u003cli\u003eK20Z1 (RSX Type-S)\u003c\/li\u003e\n  \u003cli\u003eK24A1 (CR-V)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e A low temp thermostat helps manage cooling at the track by letting your radiator work harder between pulls. It's not a fix for an undersized radiator or a cooling system that's fundamentally inadequate for your power level. If you're overheating on the street in normal driving, you've got a different problem.\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003c!--StartFragment--\u003e2002-2006 Acura RSX Base\/Type S\u003cdiv\u003e2002-2005 Honda Civic Si\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e\n\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n\u003cdiv\u003e\n\nOur thermostats begin opening between 18*F sooner compared to the OEM part. \n\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003eParaffin wax functions as the actuator for opening and closing the thermostat. As the temperature increases, paraffin wax expands, pushing against a plunger and spring, which directly actuates the valve. As coolant temperature decreases, the thermostat body is cooled. Therefore, the paraffin wax shrinks, and a return spring pushes against the valve and plunger to return the thermostat to a partially open or closed position.  \u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe opening temperature of paraffin thermostats is primarily dependent on the spring rate of the return spring. The stiffer the spring, the greater the pressure the wax needs to generate to push the plunger. This wax chamber’s pressure is directly proportional to wax temperature. (Note: opening temperature can also be controlled by paraffin wax chamber and plunger geometry).   \u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Hybrid Racing HYPERCOOL Low Temp Thermostat - 68*C\/154.4*F\u003cdiv\u003e(1) OEM Rubber Gasket\u003c\/div\u003e\n\u003cdiv\u003e(1) OEM Housing  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n\u003ca href=\"https:\/\/guides.hybrid-racing.com\/Guide\/HYB-LTT-01-10\/386\"\u003eCLICK TO VIEW INSTALL GUIDE\u003c\/a\u003e\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":41073746575394,"sku":"HYB-LTT-01-10","price":119.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-LTT-01-10-001_-_SQ_4381a4a7-66f4-4f5f-85a5-ed086b4cde2f.jpg?v=1687545024"},{"product_id":"hybrid-racing-turbo-coolant-return-fitting","title":"Hybrid Racing Turbo Coolant Return Fitting (-6AN)","description":"\u003cul\u003e\n\u003cli\u003eOne-Piece Return \u003c\/li\u003e\n\u003cli\u003eKey Way Feature \u003c\/li\u003e\n\u003cli\u003eSimplified Bracket \u003c\/li\u003e\n\u003cli\u003eConvenient Pry Location \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\n\nThe Hybrid Racing Turbo Coolant Return is your go-to upgrade for maximizing efficiency in your Honda K-series turbo build. Specifically engineered for 2002-2006 Honda CR-V, 2002-2006 Acura RSX, and 2002-2005 Honda Civic Si thermostat housings, this -6AN fitting combines innovation and practicality. With a one-piece design featuring a leak-proof O-ring seal and a keyway for perfect alignment, it simplifies installation while delivering reliable performance. The 304 stainless steel bracket secures the adapter firmly in place, and the integrated pry location makes removal a breeze. Whether you're chasing horsepower or reliability, this adapter ensures your turbocharged setup stays cool under pressure.\n\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-style: italic;\"\u003e*Hardware and thermostat case not included\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n304 Stainless Bracket\u003cdiv\u003eBlack Anodized\u003c\/div\u003e\n\u003cdiv\u003eDurable O-Ring\u003c\/div\u003e\n\u003cdiv\u003e-6AN Fitting\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) -6AN Fitting\u003cdiv\u003e(1) Pre-Installed O-Ring\u003c\/div\u003e\n\u003cdiv\u003e(1) Installation Bracket\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Hybrid Racing","offers":[{"title":"Default Title","offer_id":43290812874786,"sku":"HYB-CRP-01-05","price":29.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/HYB-CRP-01-05_1crop.jpg?v=1768014173"},{"product_id":"k-series-coolant-tube-block-plug","title":"Circuit Hero K-Series Coolant Tube Block Plug","description":"\u003cul\u003e\n\u003cli\u003eCNC 1-piece Premium 6061 Aluminum \u003c\/li\u003e\n\u003cli\u003eCompatible with K20 and K24 Thermostat Bodies \u003c\/li\u003e\n\u003cli\u003eRe-Uses or Replaces Factory O-Ring \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\nThis Circuit Hero product helps eliminate unnecessary parts for a K-series race engine build. This billet coolant plug eliminates the coolant pipe that leads to the OEM K-series thermostat housing. FeaturesCNC 1-piece Premium 6061 aluminum Easy Installation (does require the drilling of a small hole through thermostat housing for Allen screw)Re-use or replace factory rubber O-ring from OEM coolant tube Use in conjunction with OEM Honda Hex Plug P\/N# 12208-PR3-000 \u0026amp; Crush Washer P\/N 12209-PR3-000Compatible with K20 and K24 thermostat bodies \n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2006-2011 Acura CSX\u003cdiv\u003e2002-2006 Acura RSX\u003c\/div\u003e\n\u003cdiv\u003e2004-2008 Acura TSX\u003c\/div\u003e\n\u003cdiv\u003e2003-2007 Honda Accord\u003c\/div\u003e\n\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2006-2011 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e\n\u003cdiv\u003e2003-2011 Honda Element\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Circuit Hero","offers":[{"title":"Black","offer_id":43381612412962,"sku":"CH-CBP-BK","price":25.0,"currency_code":"USD","in_stock":false},{"title":"Polished","offer_id":43381612445730,"sku":"CH-CBP-RAW","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/CH-CBP-RAW_4crop.jpg?v=1768014071"},{"product_id":"tractuff-water-pump-block-adapter-fitting-k-series","title":"Tractuff Water Pump\/Block Fitting for Honda K Series","description":"\u003cul\u003e\n\u003cli\u003eFits Honda\/ Acura K Series Engines \u003c\/li\u003e\n\u003cli\u003eAvailable as -6 AN Adapter or Block Off \u003c\/li\u003e\n\u003cli\u003eO-Ring Included \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eTracTuff Water Pump\/Block Adapter Fitting – Honda K Series\u003c\/h3\u003e\n\n\u003cp\u003eThe TracTuff Water Pump\/Block Adapter Fitting is a versatile cooling solution for Honda K Series engines. Available as either a -6 AN adapter fitting or a block-off plug, this fitting provides a clean and reliable way to modify or delete the factory coolant lines used with the OEM oil cooler. Whether you are simplifying your setup, adding a water-cooled accessory, or rerouting coolant flow, this adapter gives you full control of your K-series cooling circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eEach fitting is machined from U.S.-milled 6061 aluminum for exceptional strength and precision. The backside features an O-ring register that seals perfectly using a Genuine Honda O-ring to ensure a leak-free fit. The design allows the same part to fit both the block and the water pump, making it easy to order a matching pair for your project. If you want to completely eliminate the coolant hoses, choose the block-off version. For custom cooling setups, the -6 AN male flare fitting is ideal for plumbing water-cooled accessories such as turbochargers or heat exchangers.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese adapters allow coolant to flow correctly by creating a complete circuit, rather than routing two high-pressure ports together. The block-side fitting is used as a feed, while the water pump-side fitting acts as a return. This ensures proper coolant movement through your accessory and prevents pressure buildup. If your K-series build does not use the OEM oil-cooled water pump, you can complete the coolant loop with a TracTuff Thermostat Port Adapter. For builds retaining the heater core, a simple T-fitting can integrate the bypass line into the system.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable as a -6 AN fitting or block-off adapter\u003c\/li\u003e\n  \u003cli\u003eCompatible with all Honda K Series engines\u003c\/li\u003e\n  \u003cli\u003eMachined from high-quality 6061 aluminum\u003c\/li\u003e\n  \u003cli\u003eFits both the block and water pump ports\u003c\/li\u003e\n  \u003cli\u003eIncludes stainless steel button head bolt and Genuine Honda O-ring\u003c\/li\u003e\n  \u003cli\u003eAllows custom coolant routing or oil cooler delete\u003c\/li\u003e\n  \u003cli\u003eIdeal for turbo or accessory water feed and return applications\u003c\/li\u003e\n  \u003cli\u003eMade in the USA with precision machining and durable construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2004-2008 Acura TSX\u003c\/div\u003e\n\u003cdiv\u003e2003-2007 Honda Accord\u003c\/div\u003e\n\u003cdiv\u003e2002-2011 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e\n\u003cdiv\u003e2003-2011 Honda Element\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) -6 AN Fitting or (1) Block Off Adapter\u003cdiv\u003e(1) Button Head Bolt\u003c\/div\u003e\n\u003cdiv\u003e(1) O-Ring\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"TracTuff","offers":[{"title":"-6 AN Adapter","offer_id":44509256220706,"sku":"TUF-TT-KWP-6","price":26.95,"currency_code":"USD","in_stock":false},{"title":"Block Off","offer_id":44509256253474,"sku":"TUF-TT-KWP-BO","price":24.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/TUF-TT-KWP-6_1crop_a9383080-ce21-4204-8ea8-390fae58675c.jpg?v=1762817039"},{"product_id":"tractuff-k-series-thermostat-housing-port-adapter","title":"TracTuff Thermostat Housing Port Adapter for Honda K Series","description":"\u003cul\u003e\n\u003cli\u003eFits Most Honda\/Acura K Series Engines \u003c\/li\u003e\n\u003cli\u003eDrill Bit and Safety Wire Included \u003c\/li\u003e\n\u003cli\u003e6061 Aluminum Construction \u003c\/li\u003e\n\u003cli\u003eDesigned as Coolant Return Fitting \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eTracTuff Thermostat Housing Port Adapter for Honda\/Acura K Series Engines\u003c\/h3\u003e\n\n\u003cp\u003e\nThe TracTuff Thermostat Housing Port Adapter is the ultimate solution for Honda and Acura K Series engines that demand versatility, reliability, and performance. Designed for builders running custom cooling systems, this adapter makes it easy to retain in-cabin heat with TracTuff swirl pots, clear tight-fitting sidewinder turbo manifolds, or route heater core lines in rear-wheel-drive K swaps where the OEM tube would normally contact the firewall.\n\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e\nEach adapter is precision-machined and engineered to fit perfectly into the factory K Series thermostat housing. It’s available in a 5\/8-inch slip hose connection for easy integration with standard heater or coolant lines. The kit includes a -210 O-ring for a leak-free seal, a drill bit, and stainless steel safety wire for secure installation. This thoughtful design ensures a durable, vibration-resistant connection that can handle the heat and pressure of high-performance builds.\n\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e\nUnlike other generic fittings, the TracTuff Thermostat Housing Port Adapter is specifically engineered to function as a return fitting, constantly pulling coolant from the connected system to maintain consistent flow. Whether you’re upgrading your K20, K24A2, or K24A4 engine, or performing a custom K swap, this fitting helps simplify your cooling setup while keeping your system efficient and clutter-free.\n\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Honda and Acura K Series engines\u003c\/li\u003e\n  \u003cli\u003eRetains in-cabin heat with TracTuff swirl pots\u003c\/li\u003e\n  \u003cli\u003eIdeal for sidewinder turbo setups and rear-wheel-drive K swaps\u003c\/li\u003e\n  \u003cli\u003e5\/8″ slip hose connection for easy plumbing\u003c\/li\u003e\n  \u003cli\u003eIncludes -210 O-ring, drill bit, and stainless safety wire\u003c\/li\u003e\n  \u003cli\u003eEngineered to function as a coolant return fitting\u003c\/li\u003e\n  \u003cli\u003eEnsures reliable sealing and secure installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cp\u003e\nUpgrade your cooling system with the TracTuff Thermostat Housing Port Adapter and experience the quality, precision, and innovation that makes TracTuff a trusted name in Honda K Series performance. Whether you’re chasing lap times or perfecting your street setup, this adapter delivers the flexibility your build deserves.\n\u003c\/p\u003e\n\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2004-2008 Acura TSX\u003c\/div\u003e\n\u003cdiv\u003e2003-2007 Honda Accord\u003c\/div\u003e\n\u003cdiv\u003e2002-2011 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e\n\u003cdiv\u003e2003-2011 Honda Element\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Coolant Return Fitting\u003cdiv\u003e(1) Drill Bit\u003c\/div\u003e\n\u003cdiv\u003e(1) Safety Wire\u003c\/div\u003e\n\u003cdiv\u003e(1) O-Ring\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"TracTuff","offers":[{"title":"Default Title","offer_id":44513561280546,"sku":"TUF-TT-KTHPA-5\/8","price":29.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/8_1crop_4fb6bb64-9bd7-45dd-870b-9b3219921a4c.jpg?v=1762904701"},{"product_id":"honda-k20a3-k24a1-water-outlet-gasket-19352-pna-000","title":"Honda K20A\/K24A1 Water Outlet Gasket 19352-PNA-000","description":"\u003cul\u003e\n\u003cli\u003eGenuine Honda Product \u003c\/li\u003e\n\u003cli\u003eDirect Factory Replacement Part \u003c\/li\u003e\n\u003cli\u003ePrevents Coolant Leaks \u003c\/li\u003e\n\u003cli\u003eCompatible with DC5, EP3, and 02-06 CRV \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eHonda K20A\/K24A1 Water Outlet Gasket (Part Number: 19352-PNA-000)\u003c\/h3\u003e\n\n\u003cp\u003eEnsure your engine stays cool and leak-free with the Honda K20A\/K24A1 Water Outlet Gasket (19352-PNA-000). This genuine OEM gasket seals the water outlet to the cylinder head on the right side of the intake manifold, preventing coolant leaks and maintaining proper engine temperature regulation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned to factory specifications, the Honda 19352-PNA-000 gasket guarantees a perfect fit and long-lasting durability. As an OEM part, it offers the same quality, consistency, and reliability Honda engineers intended from the factory.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis water outlet gasket is found on popular K-Series powered vehicles, including the 2002–2006 Acura RSX, 2002–2005 Honda Civic Si (EP3), and 2002–2006 Honda CR-V. It’s the ideal choice for maintaining your vehicle’s cooling system integrity and ensuring long-term performance without the risk of leaks or overheating.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Honda OEM water outlet gasket (Part Number: 19352-PNA-000)\u003c\/li\u003e\n  \u003cli\u003eSeals the water outlet to the cylinder head for a precise, leak-free connection\u003c\/li\u003e\n  \u003cli\u003ePrevents coolant leaks and protects against overheating\u003c\/li\u003e\n  \u003cli\u003eManufactured from durable materials for high heat and pressure resistance\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for worn or damaged factory gaskets\u003c\/li\u003e\n  \u003cli\u003eMaintains OEM reliability and fitment for Honda K-Series engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2002–2006 Acura RSX (Base \u0026amp; Type-S)\u003c\/li\u003e\n  \u003cli\u003e2002–2005 Honda Civic Si (EP3)\u003c\/li\u003e\n  \u003cli\u003e2002–2006 Honda CR-V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cp\u003eKeep your Honda K20A or K24A1 engine running cool and dependable with the Honda 19352-PNA-000 Water Outlet Gasket—the trusted OEM solution for sealing performance and long-term reliability.\u003c\/p\u003e\n\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\nFits K20A\/K24A1 Water Outlet - Part #\n\n19350-PRB-A00 \u0026amp; K20A\/K24A1 Compatible TracTuff Water Neck\/Swirl Pots\n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Water Outlet Gasket\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Honda","offers":[{"title":"Default Title","offer_id":44517440913442,"sku":"OHA-19352-PNA-000","price":6.31,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/OHA-19352-PNA-000_1crop_92a64c63-e7e2-4f04-8e60-55a3dc31fd37.jpg?v=1762967285"},{"product_id":"tractuff-prb-prc-swirl-pot-v2-k20a-k24a1","title":"TracTuff PRB\/PRC Swirl Pot V2 for K20A\/K24A1","description":"\u003cul\u003e\n\u003cli\u003eBillet 6061 Aluminum Construction \u003c\/li\u003e\n\u003cli\u003eCompatible with K20A, A2, A3, Z1 and K24A1 Engines \u003c\/li\u003e\n\u003cli\u003eBetter Clearance for Lean Mounts \u003c\/li\u003e\n\u003cli\u003ePerfect for K Swaps \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eTracTuff PRB\/PRC Swirl Pot V2 – K20A\/A2\/A3\/Z1\/K24A1 Engines\u003c\/h3\u003e\n\n\u003cp\u003eThe TracTuff PRB\/PRC Swirl Pot V2 is engineered for precision and performance for your Honda K-series or K24A1 engine. Designed primarily for 2.0L engines, it is also compatible with the 2.4L K24A1, making it a versatile solution for builds that require maximum cooling efficiency. This swirl pot was specifically developed to maintain a level radiator hose connection when used with OEM or OE replacement engine mounts, ensuring proper coolant flow and reducing the risk of hose kinks or engine strain.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a forward-mounted design, the PRB\/PRC Swirl Pot V2 increases clearance for sidewinder turbo manifolds, allowing easier installation with popular aftermarket setups. The CNC-machined flange is crafted from US-milled 6061-T6 aluminum for strength and reliability, complete with a -8 ORB water bypass port and OEM O-ring groove. Users can add a sensor port on either the top or side of the flange for customizable monitoring, while the outlet can be clocked to fit your preferred setup. The swirl pot uses a standard 1.25″ hose connection, making it compatible with factory radiator hoses and simplifying installation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Fits K20A, K20A2, K20A3, K20Z1, and K24A1 engines; designed for 2.0L but also works with 2.4L engines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSidewinder Turbo Clearance:\u003c\/strong\u003e Forward-mounted design increases space for aftermarket turbo manifolds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC-Machined Flange:\u003c\/strong\u003e Made from US-milled 6061-T6 aluminum with a -8 ORB water bypass port and OEM O-ring groove.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable Outlet \u0026amp; Sensor Port:\u003c\/strong\u003e Clockable outlet; optional sensor port on top or side for engine monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Hose Connection:\u003c\/strong\u003e 1.25″ OD hose port compatible with factory radiator hoses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCap Compatibility:\u003c\/strong\u003e Supports early Honda radiator caps and the \u003cstrong\u003eHybrid Racing Type F Radiator Cap\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Included:\u003c\/strong\u003e Comes with -8 ORB to 11\/16″ water bypass fitting, stainless hose clamp, two M6 bolts, and genuine Honda gasket.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Tank Angle:\u003c\/strong\u003e Welded to sit level on OEM 15° lean or Hasport Gangster Lean 8° mount.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003ch4\u003eWhy You Need a Swirl Pot:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrevents Air Pockets:\u003c\/strong\u003e Keeps the cooling system fully primed, preventing trapped air that can cause engine hot spots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproves Coolant Flow:\u003c\/strong\u003e Ensures consistent flow to the engine and water pump, especially during high RPM or track use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintains Radiator Hose Alignment:\u003c\/strong\u003e Proper tank angle reduces stress on hoses and prevents kinks, improving reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized for Turbo Setups:\u003c\/strong\u003e Forward placement creates clearance for sidewinder and aftermarket turbo manifolds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Reliability:\u003c\/strong\u003e Keeps coolant fully circulated during aggressive driving, reducing risk of overheating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cp\u003eOptimize your K-series cooling system with the TracTuff PRB\/PRC Swirl Pot V2. This high-quality, CNC-machined swirl pot enhances turbo manifold clearance, maintains factory hose alignment, and provides reliable performance for both street and track applications. Perfect for sidewinder turbo setups and OEM-style cooling systems, it is a must-have upgrade for K20 and K24 Honda engines.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Swirl Pot\u003cdiv\u003e(1) Worm Gear Clamp\u003c\/div\u003e\n\u003cdiv\u003e(2) Mounting Bolts\u003c\/div\u003e\n\u003cdiv\u003e(1) Vent Fitting\u003c\/div\u003e\n\u003cdiv\u003e(1) Coolant Neck Fitting\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"TracTuff","offers":[{"title":"Default Title","offer_id":44520791244834,"sku":"TUF-TT-3A2ST-HCV2-S","price":362.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/TUF-TT-3A2ST-HCV2-S_4crop.jpg?v=1763054187"},{"product_id":"tractuff-k20-k24-water-pump-housing-delete","title":"TracTuff K20\/K24 Water Pump Housing Delete","description":"\u003cul\u003e\n\u003cli\u003eCNC machined 6061 aluminum plate \u003c\/li\u003e\n\u003cli\u003e1-5\/16 in-12 SAE water inlet \u003c\/li\u003e\n\u003cli\u003e3\/4 in-16 SAE breather port \u003c\/li\u003e\n\u003cli\u003eIncludes alternator bracket, tensioner, hardware \u003c\/li\u003e\n\u003cli\u003eFor K20\/K24 engines, not chassis-specific \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#TechnicalData\"\u003eTechnical Data\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e  \u003cli\u003e\u003ca href=\"#InstallGuide\"\u003eInstall Guide\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eTracTuff K20\/K24 Water Pump Housing Delete Kit\u003c\/h3\u003e\n\n\u003cp\u003eEvery accessory hanging off your crank costs power to spin, and the mechanical water pump is one of the worst offenders at high RPM. This TracTuff water pump housing delete pulls the entire OEM water pump housing, pump, and thermostat assembly off your K20 or K24 and replaces it with a CNC machined 6061 aluminum plate, setting the engine up for an electric water pump. It's a race car and dedicated track build part, and this is the Street kit configuration: the version that keeps your alternator, with the redesigned bracket and tensioner included.\u003c\/p\u003e\n\n\u003ch3\u003eWhat It Is and Why It Works\u003c\/h3\u003e\n\n\u003cp\u003eUncoupling the pump from the crank does more than free up the power it took to spin it. A mechanical pump driven at crank speed cavitates during sustained high RPM because it's operating way past the speed it was designed around, and cavitation means the coolant stops moving right when the engine is working hardest. An electric pump runs at its own speed regardless of RPM, so you can program coolant flow off the ECU, hold consistent temps, and keep the pump and fans running after shutdown to cool the motor with the engine off. TracTuff advises against switching the pump off while the engine is running, and that's good advice.\u003c\/p\u003e\n\n\u003cp\u003eThe kit includes the machined plate with an OEM style o-ring groove, the alternator bracket, a tensioner with QA1 5\/16 inch rod ends, a ground stainless tensioner pin retained by a 5\/16 inch circlip in place of the old M8 bolt (a 2023 design revision that killed the slop in the tensioner pivot), zinc plated hardware, and the sealing o-ring. The alternator bracket revision also cleared the Dailey Engineering dry sump kit, per TracTuff. The plate carries a 1-5\/16 inch-12 SAE (-16AN ORB) water inlet sealed by the o-ring, plus a smaller 3\/4 inch-16 SAE (-8AN ORB) port. That small port is a crankcase breather, not a water port, and plumbing coolant into it will end badly. The breather chamber seals with Hondabond, same as the factory housing.\u003c\/p\u003e\n\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\n\u003ctable\u003e\n    \u003ctbody\u003e\n\u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eTT-K20AWPD-16-S\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eCNC machined 6061 aluminum, made in the USA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWater inlet\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1-5\/16 inch-12 SAE (-16AN ORB), o-ring sealed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBreather port\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e3\/4 inch-16 SAE (-8AN ORB), crankcase breather only\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDelete plate, alternator bracket, tensioner with QA1 5\/16 inch rod ends, stainless tensioner pin and circlip, o-ring, zinc plated hardware\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePivot hardware\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eGrade 12.9, pivot bolt torqued to 59 lb-ft dry per manufacturer\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eNot included\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eElectric water pump, pump mount, hoses, port fittings, belt, A\/C compatibility\u003c\/td\u003e\n    \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\n\u003c!-- FITMENT DISCREPANCY: fitmentsList stops at 2011 vehicles, but TracTuff lists K24Z engine support (added 2021), which extends coverage to K24Z vehicles like the 2012-2015 Civic Si. fitmentTags are corrupted with 1984-2001 platforms, FL5, and 2016+ Civics that have no K-series engine at all. See FLAGS block. --\u003e\n\n\u003ctable\u003e\n    \u003ctbody\u003e\n\u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eEngine family\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003cstrong\u003eFactory applications include\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eK20A, K20A2, K20A3, K20Z1\u003c\/td\u003e\n        \u003ctd\u003e2002-2006 Acura RSX and RSX Type S, 2002-2005 Civic Si (EP3)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eK20Z3\u003c\/td\u003e\n        \u003ctd\u003e2006-2011 Civic Si (FG2, FA5)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eK24A1, K24A2, K24A4, K24A8\u003c\/td\u003e\n        \u003ctd\u003e2002-2006 CR-V, 2004-2008 TSX, 2003-2007 Accord, 2003-2011 Element\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n        \u003ctd\u003eK24Z\u003c\/td\u003e\n        \u003ctd\u003e2008 and newer K24Z applications, per manufacturer\u003c\/td\u003e\n    \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFitment is by engine, not chassis, so every K swap qualifies: a K20A2 in an EG or EK, a K24 frank in a DC2, a K swapped CRX headed down the strip. That's where most of these end up anyway.\u003c\/p\u003e\n\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWhat to Know Before You Buy\u003c\/h3\u003e\n\n\u003cp\u003eStart with the dealbreaker, this cannot be run with air conditioning. Two of the four A\/C compressor mounting points come off with the water pump housing. There's no workaround, so if the car needs A\/C, stop here.\u003c\/p\u003e\n\n\u003cp\u003eSecond, this plate doesn't cool anything by itself. Budget for the rest of the conversion: an electric water pump (TracTuff builds the system around the Meziere WP136S 20 GPM and WP336S 55 GPM pumps), a pump mount, a hose kit to get water from the pump to the plate, and fittings for the -16 inlet and -8 breather ports. A belt isn't included either, because crank and alternator pulley combinations vary too much to pick one for you. Plan the whole system before ordering the first part.\u003c\/p\u003e\n\n\u003cp\u003eThird, the thermostat leaves with the housing. Temperature control becomes your job, through pump wiring or ECU control, which is exactly what you want in a race car and exactly what you don't want in a daily that sits in traffic. This is why we'd put this on a dedicated build and leave the commuter on the mechanical pump.\u003c\/p\u003e\n\n\u003cp\u003eOn alternator choice, TracTuff recommends the S2000 unit above everything else. The 2000-2001 Integra Type R (B18C5) alternator is the next best output, with the 1999-2000 Civic Si (B16) unit just behind it. Later B and D series alternators with ribbed pulleys physically fit the bracket but carry fewer belt ribs, so they're driving the belt with less contact. Torque the grade 12.9 pivot hardware to spec (59 lb-ft dry on the bolt), and seal the breather chamber with Hondabond during install.\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2004-2008 Acura TSX\u003c\/div\u003e\n\u003cdiv\u003e2003-2007 Honda Accord\u003c\/div\u003e\n\u003cdiv\u003e2002-2011 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e\n\u003cdiv\u003e2003-2011 Honda Element\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\u003cli id=\"TechnicalData\"\u003e\n\u003cp\u003eNot Compatible with Air Conditioning\u003c\/p\u003e\n\u003c\/li\u003e\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\u003cp\u003e(1) Water Pump Housing Delete Plate\u003c\/p\u003e\n\u003cdiv\u003e(1) Alternator Bracket\u003c\/div\u003e\n\u003cdiv\u003e(1) Alternator Bracket Turnbuckle\u003c\/div\u003e\n\u003cdiv\u003e(1) Alternator Bracket Bolt \u0026amp; Nut\u003c\/div\u003e\n\u003cdiv\u003e(4) Mounting Bolts\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\u003cli id=\"InstallGuide\"\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n","brand":"TracTuff","offers":[{"title":"Default Title","offer_id":44521795289122,"sku":"TUF-TT-K20AWPD-16-S","price":274.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/TUF-TT-K20AWPD-16-S_3crop.jpg?v=1785898348"},{"product_id":"tractuff-prb-prc-swirl-pot-v4-k20a-k24a1","title":"TracTuff PRB\/PRC Swirl Pot V4 for K20A\/K24A1","description":"\u003cul\u003e\n\u003cli\u003eCompact Design is Suitable for Turbo Builds  \u003c\/li\u003e\n\u003cli\u003eFits K20A\/A2\/A3\/Z1 and K24A1 Heads \u003c\/li\u003e\n\u003cli\u003eIdeal for K Swaps \u003c\/li\u003e\n\u003cli\u003eReduces Air Pockets in Cooling System \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eTracTuff PRB\/PRC Swirl Pot V4 – K20A\/K20A2\/K20A3\/K20Z1\/K24A1 Engines\u003c\/h3\u003e\n\n\u003cp\u003eThe TracTuff PRB\/PRC Swirl Pot V4 is a high-performance cooling solution engineered for K20A\/A2\/A3\/Z1 and K24A1 engines. Designed primarily for 2.0L engines but also compatible with 2.4L engines, the V4 maintains a level radiator hose connection when used with OEM or OE replacement engine mounts. Its standard 1.25″ hose connection ensures easy compatibility with factory radiator hoses, simplifying installation and maintaining reliable coolant flow.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe V4 is essentially a flipped version of the V2 swirl pot, relocating the cylinder behind the flange while keeping the inlet and outlet configuration consistent at the 3 o’clock position. This innovative design provides additional flexibility for turbo or aftermarket setups while preserving optimal coolant circulation. The CNC-machined flange is crafted from US-milled 6061-T6 aluminum for strength and precision, featuring a -8 ORB water bypass port and OEM O-ring groove. A sensor port can be added to the top or side of the flange for customizable monitoring, and the outlet can be clocked to your needs, compatible with either standard 1.25″ OD hose or -16 male flare fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eCap provision will work with 88-91 Civic\/CRX radiator caps and the \u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/hybrid-racing-performance-radiator-cap-c?_pos=2\u0026amp;_sid=fd07b5725\u0026amp;_ss=r\u0026amp;variant=48952543364\" target=\"_blank\"\u003eHybrid Racing Type F Radiator Cap.\u003c\/a\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eDon't see the options your build requires? Send our customer support team, support@hybrid-racing.com an email so we can get you what you need. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e Fits K20A, K20A2, K20A3, K20Z1, and K24A1 engines; designed for 2.0L but also works with 2.4L engines.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInnovative V4 Design:\u003c\/strong\u003e Cylinder flipped behind flange for improved packaging while retaining standard inlet and outlet orientation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC-Machined Flange:\u003c\/strong\u003e Made from US-milled 6061-T6 aluminum with a -8 ORB water bypass port and OEM O-ring groove for reliable sealing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable Sensor Port:\u003c\/strong\u003e Top or side flange options for flexible monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClockable Outlet:\u003c\/strong\u003e Outlet can be rotated to suit engine bay setup and configured for standard 1.25″ hose or -16 male flare.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Installation:\u003c\/strong\u003e Tank welded to sit level on OEM 15° lean or Hasport Gangster Lean 8° mount.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Hardware Kit:\u003c\/strong\u003e Includes -8 ORB to 11\/16″ water bypass fitting, stainless hose clamp, two M6 socket head bolts, and genuine Honda gasket.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003ch4\u003eWhy You Need the TracTuff V4 Swirl Pot:\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Coolant Flow:\u003c\/strong\u003e Prevents air pockets and ensures consistent coolant circulation for reliable engine temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbo and Aftermarket Friendly:\u003c\/strong\u003e Flipped cylinder design increases clearance for sidewinder turbo manifolds and other aftermarket setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Hose Compatibility:\u003c\/strong\u003e Standard 1.25″ hose connection works with factory radiator hoses, making installation easy and reliable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable Options:\u003c\/strong\u003e Sensor ports and clockable outlet provide flexibility for tuning and monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStreet and Track Ready:\u003c\/strong\u003e Durable CNC aluminum construction and welded tank design ensure long-lasting performance under all driving conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cp\u003eUpgrade your K-series or K24A1 engine cooling system with the TracTuff PRB\/PRC Swirl Pot V4. This CNC-machined swirl pot offers innovative design, compatibility with OEM hardware, and precise coolant management, making it an essential addition for high-performance builds and turbo applications.\u003c\/p\u003e\n\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Swirl Pot\u003cdiv\u003e(1) Coolant Fitting\u003c\/div\u003e\n\u003cdiv\u003e(1) Vent Fitting\u003c\/div\u003e\n\u003cdiv\u003e(1) Worm Gear Clamp\u003c\/div\u003e\n\u003cdiv\u003e(2) Mounting Bolts\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"TracTuff","offers":[{"title":"Default Title","offer_id":44521849192482,"sku":"TUF-TT-3A2ST-HCV4-S","price":342.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/TUF-TT-3A2ST-HCV4-S_2crop.jpg?v=1763065079"},{"product_id":"honda-k20a2-k20a3-k24a1-prb-water-neck-19350-prb-a00","title":"Honda K20A2\/A3\/K24A1 PRB Water Outlet Neck 19350-PRB-A00","description":"\u003cul\u003e\n\u003cli\u003eGenuine Honda Product \u003c\/li\u003e\n\u003cli\u003eDirect Factory Replacement Part \u003c\/li\u003e\n\u003cli\u003eFits K20A2, K20A3, and K24A1 Engines \u003c\/li\u003e\n\u003cli\u003e19352-PNA-000 Gasket Not Included \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eHonda K20A2\/A3\/K24A1 PRB Water Outlet Neck (19350-PRB-A00)\u003c\/h3\u003e\n\n\u003cp\u003eThis genuine Honda PRB water outlet neck (OEM part number 19350-PRB-A00) is the correct piece for K20A2, K20A3, and K24A1 engines. It’s the same style neck that came on the 2002-2006 Acura RSX, 2002-2005 Honda Civic Si, and 2002-2006 Honda CR-V, so you’re getting a proven, factory-quality part—not some mystery casting. If you’re chasing an OEM PRB water outlet neck for a K Swap build, this is the clean, “bolt it on and forget it” option.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe PRB Honda K20A2 water outlet neck uses a cast aluminum body to route coolant from the cylinder head to the rest of the system. The factory shape and bolt pattern mean it drops straight onto K20A2, K20A3, and K24A1 engines with no drilling, slotting, or weird fittings. If your original K24A1 Honda water outlet or K20A3 engine water neck is cracked, corroded, or seeping around the gasket, swapping to this 19350-PRB-A00 PRB neck gets your setup back to how Honda intended.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis is the same style piece people hunt down for a clean K Swap build water neck, especially when you want proper hose routing in a Civic or older chassis. Whether you’re doing a 2002 Honda RSX coolant outlet refresh, a 2006 Civic Si water neck replacement, or you just want an Acura RSX genuine water neck or Honda CR-V genuine water outlet you can trust, this 19350-PRB-A00 K swap fitting keeps coolant moving and leaks under control. We run genuine PRB necks on our own K builds for exactly that reason.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe coolant neck is sold without the needed gasket, so make sure to pick up the \u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/honda-k20a3-k24a1-water-outlet-gasket-19352-pna-000?_pos=11\u0026amp;_sid=b1d961afd\u0026amp;_ss=r\" target=\"_blank\"\u003eK20A2\/A3\/K24A1 Water Neck Gasket. \u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine OEM Honda part: 19350-PRB-A00\u003c\/li\u003e\n  \u003cli\u003eCorrect for K20A2, K20A3, and K24A1 engines (K20A2 cooling system neck)\u003c\/li\u003e\n  \u003cli\u003eDirect fit on 2002–2006 Acura RSX, 2002–2005 Honda Civic Si, and 2002–2006 Honda CR-V\u003c\/li\u003e\n  \u003cli\u003ePerfect for OEM PRB water outlet neck replacement or K24A1 water outlet use in K Swap builds\u003c\/li\u003e\n  \u003cli\u003eRestores proper coolant routing and sealing at the cylinder head\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIf you’re done dealing with sketchy castings or hacked fittings, this Acura RSX water neck part is the straightforward way to fix your Honda Civic Si coolant neck and keep your K series cooling system doing its job.\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e\n\u003cdiv\u003e2002-2006 Honda CR-V\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Water Outlet Neck\u003cdiv\u003e\n\u003cspan style=\"font-style: italic;\"\u003e*Recommended to Purchase \u003c\/span\u003e\u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/honda-k20a3-k24a1-water-outlet-gasket-19352-pna-000?_pos=11\u0026amp;_sid=b1d961afd\u0026amp;_ss=r\" target=\"_blank\"\u003eWater Outlet Gasket - 19352-PNA-000\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Honda","offers":[{"title":"Default Title","offer_id":44560593748002,"sku":"OHA-19350-PRB-A00","price":259.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/OHA-19350-PRB-A00_etf8.jpg?v=1763753373"},{"product_id":"honda-bypass-inlet-hose-19504-pna-000","title":"Honda K20A2\/K20A3 Bypass Inlet Hose 19504-PNA-000","description":"\u003cul\u003e\n\u003cli\u003eGenuine Honda Product \u003c\/li\u003e\n\u003cli\u003eDirect Factory Replacement Part \u003c\/li\u003e\n\u003cli\u003eInstalls Under Intake Manifold \u003c\/li\u003e\n\u003cli\u003eCompatible with K20A2 and K20A3 Engines \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- split --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#Description\"\u003eDescription\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"#VehicleFitment\"\u003eVehicle Fitment\u003c\/a\u003e\u003c\/li\u003e   \u003cli\u003e\u003ca href=\"#Included\"\u003eIncluded\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\n\n\u003cli class=\"active\" id=\"Description\"\u003e\n\u003ch3\u003eHonda K20A2 \/ K20A3 Bypass Inlet Hose 19504-PNA-000\u003c\/h3\u003e\n\n\u003cp\u003e\nIf you’re chasing a mystery drip or you’re doing a real K-series Engine Hose Replacement, don’t skip the small stuff. The Honda Bypass Hose 19504-PNA-000 ties into key coolant passages on your K motor and keeps flow doing what it’s supposed to do. When this hose gets tired, it usually doesn’t fail in a dramatic way, it just starts weeping and you only notice it after the coolant level keeps dropping.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis is a Honda OEM Inlet Hose replacement for the K20A2 and K20A3 applications in the 2002 to 2006 Acura RSX and the 2002 to 2005 Civic Si. Heat cycles cook the original Honda Coolant Rubber Hose over time, it hardens, swells, or cracks, and then you get a slow leak that turns into an overheating problem at the worst possible time. We’ve replaced plenty of these during coolant refreshes, and it’s one of those parts that’s cheap compared to the headache it prevents.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBecause it’s molded to the right shape, it routes cleanly without fighting you. That matters, because a universal straight hose can kink, rub, or sit under tension, and that’s how you get leaks again. If you’re doing a cooling overhaul, this is the correct style piece to keep your bay looking and working like it should.\n\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit Honda K20A2 Inlet Hose and Honda K20A3 Inlet Hose bypass inlet replacement\u003c\/li\u003e\n  \u003cli\u003eKeeps coolant moving through the correct passages, no sketchy reroutes\u003c\/li\u003e\n  \u003cli\u003eMolded rubber shape for proper routing, no kinks, no stress\u003c\/li\u003e\n  \u003cli\u003eFixes the common aged hose issues like hardening, swelling, cracking, and slow leaks\u003c\/li\u003e\n  \u003cli\u003eSmart buy during maintenance, repairs, cooling system refreshes, or rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eFits the following vehicles:\u003c\/strong\u003e\u003cbr\u003e\n2002–2006 Acura RSX (K20A2 \/ K20A3)\u003cbr\u003e\n2002–2005 Honda Civic Si (K20A3)\n\u003c\/p\u003e\n\n\u003cp\u003e\nIf you want your cooling system to stay boring in the best way, replace this hose before it fails. The Honda K20A2 K20A3 Bypass Inlet Hose 19504-PNA-000 keeps your coolant routing correct and saves you from playing “where’s that leak coming from” in your driveway.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n 2002-2006 Acura RSX Base\/Type S\u003cdiv\u003e2002-2005 Honda Civic Si\u003c\/div\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n(1) Inlet Bypass Hose\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Honda","offers":[{"title":"Default Title","offer_id":44779048206370,"sku":"OHA-19504-PNA-000","price":19.94,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/honda-k20a2-k20a3-bypass-inlet_82vs.jpg?v=1769548645"}],"url":"https:\/\/www.hybrid-racing.com\/collections\/civic-si-2002-2005-cooling.oembed","provider":"Hybrid Racing","version":"1.0","type":"link"}