{"title":"Boundary Racing Pumps","description":null,"products":[{"product_id":"boundary-pumps-l15b7-oil-pump-gear-martenwear","title":"Boundary Billet Oil Pump Gears for 16-21 Civic Si (L15B7)","description":"\u003cul\u003e\n\u003cli\u003eMartenWear Heat Treat, Rated Past 9,000 RPM \u003c\/li\u003e\n\u003cli\u003eCompatible with L15B7, 10th Gen Civic Si \u003c\/li\u003e\n\u003cli\u003e18x Stronger Than OEM Gears \u003c\/li\u003e\n\u003cli\u003eBillet Steel, Made in USA, Lifetime Warranty \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\u003eBoundary Billet Oil Pump Gears - L15B7 (2016-2021 Honda Civic 1.5T \u0026amp; Si)\u003c\/h3\u003e\n\n\u003cp\u003eHere's the part of your L15B7 nobody thinks about until it fails. The factory oil pump gears are sintered powdered metal, and sintered metal is brittle. On a stock car that's fine. Add boost, add rpm, add a tune, and you're asking a part with roughly 6,000 PSI of strength to survive loads it was never designed for. When an oil pump gear cracks, the engine goes with it. These Boundary gears are cut from billet steel that approaches 110,000 PSI yield strength, which is about 18 times stronger than what came out of your pump.\u003c\/p\u003e\n\n\u003ch4\u003eWhy This Matters On A Turbo Motor\u003c\/h4\u003e\n\n\u003cp\u003eThe 1.5T is one of the easiest engines Honda ever built to make power with. A tune and some bolt-ons and you're well past what the factory planned for, and that's exactly the situation where oil pump gears start living dangerously. More power means more oil demand and more load on the pump drive. More rpm means more stress cycles. Sintered metal doesn't fail gradually the way ductile steel does, it cracks, and it usually takes the bottom end with it on the way out.\u003c\/p\u003e\n\n\u003cp\u003eThis is cheap insurance on an engine you've already invested in. You're not buying horsepower here, you're buying the confidence to use the horsepower you already have.\u003c\/p\u003e\n\n\u003ch4\u003eBillet Steel Instead Of Powdered Metal\u003c\/h4\u003e\n\n\u003cp\u003eThe difference is stark once you look at the numbers. Honda uses sintering because it's a cost-efficient process that holds tight tolerances, but sintered powdered steel is actually weaker than a casting, sitting around 6,000 PSI. Boundary starts with solid billet steel that approaches 110,000 PSI yield strength and cuts every tooth in-house. That's roughly an 18x improvement in the material itself, before you get to anything else they do.\u003c\/p\u003e\n\n\u003cp\u003eThey didn't guess at the metallurgy either. Boundary worked with metallurgists to land on the specific steel grade and heat treat combination, and every gear carries an HT number tracing it back to its original material specification sheet.\u003c\/p\u003e\n\n\u003ch4\u003eMartenWear Dual-Stage Heat Treat\u003c\/h4\u003e\n\n\u003cp\u003eMaterial is only half of it. These gears get Boundary's MartenWear dual-stage heat treatment, which is what qualifies them for operation above 9,000 RPM. Heat treat is what determines whether good steel stays good under sustained load and heat, and a dual-stage process gives you the surface hardness to resist wear along with core toughness so the gear doesn't go brittle. That's the combination that lets a gear survive real rpm rather than just surviving a dyno pull.\u003c\/p\u003e\n\n\u003ch4\u003eFlow-Tested And Warrantied For Life\u003c\/h4\u003e\n\n\u003cp\u003eBoundary validates every design on their own in-house flow bench, testing to 12,000 RPM before anything ships. They also hold two US patents on their gerotor and dual-rotor designs. And they back the whole thing with a lifetime warranty, which tells you what they expect these to do. Everything is machined in the USA.\u003c\/p\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\n\u003cp\u003eThese gears fit the L15B7 engine found in the 2016-2021 Honda Civic 1.5T and Civic Si.\u003c\/p\u003e\n\n\u003ch4\u003eWho Should Run These Gears\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the 1.5T owner who's tuned the car, added boost, or is planning to. If your L15B7 is making more than Honda intended, the oil pump gears are one of the quietest weak points in the engine, and the failure mode is catastrophic rather than inconvenient. Do it while the pump is accessible, and stop thinking about it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honda L15B7, 2016-2021 Civic 1.5T and Civic Si. \u003cstrong\u003ePart number:\u003c\/strong\u003e L15B7-OPG. \u003cstrong\u003eMaterial:\u003c\/strong\u003e billet steel, approximately 110,000 PSI yield strength versus roughly 6,000 PSI for OEM sintered gears. \u003cstrong\u003eHeat treat:\u003c\/strong\u003e MartenWear dual-stage, rated for operation over 9,000 RPM. \u003cstrong\u003eTesting:\u003c\/strong\u003e flow-tested to 12,000 RPM. \u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime. \u003cstrong\u003eMade in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e2016-2021 Honda Civic 1.5T\u003cbr\u003e2017-2020 Honda Civic Si\u003c\/p\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\u003cp\u003e(1) Outer Oil Pump Gear\u003cbr\u003e(1) Inner Oil Pump Gear\u003c\/p\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":46384786931746,"sku":"BND-L15B7-OPG-M","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/BND-L15B7-OPG-M_z2rc.jpg?v=1786462235"},{"product_id":"boundary-billet-oil-pump-gears-d16a-d16z6","title":"Boundary Billet Oil Pump Gears for D16A\/D16Z6","description":"\u003cul\u003e\n\u003cli\u003e18x Stronger Than OEM Gears \u003c\/li\u003e\n\u003cli\u003eCompatible with D16A6, D16A8, D16A9, and D16Z6 Engines \u003c\/li\u003e\n\u003cli\u003eFits P29 Pump Only, Not Compatible with P1 Pumps \u003c\/li\u003e\n\u003cli\u003eMartenWear Heat Treat, Rated Past 9,000 RPM \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\u003eBoundary High Flow Billet Oil Pump Gears - Honda D16 (P29 Pump Only)\u003c\/h3\u003e\n\n\u003cp\u003eThese are the PM7-style high flow gears for the D16, and they do two jobs at once. They move more oil than the factory gears, and they're cut from billet steel that's roughly 18 times stronger than the sintered powdered metal Honda used. If you're building a D16 that revs, or one that's picked up boost or nitrous along the way, this is one of the cheapest ways to make sure the oiling system isn't what lets go.\u003c\/p\u003e\n\n\u003ch4\u003eRead This First: P29 Pump Only\u003c\/h4\u003e\n\n\u003cp\u003eCheck this before you order, because it's easy to get wrong. These gears fit the \u003cstrong\u003eP29 pump only\u003c\/strong\u003e. Honda used more than one pump across D-series engines, and knowing you've got a D16A1, D16A8, or D16A9 doesn't tell you which pump is bolted to it, particularly on engines that have been swapped, rebuilt, or pieced together over the decades.\u003c\/p\u003e\n\n\u003cp\u003ePull your pump or confirm the casting before ordering. If you're not sure what you're looking at, get in touch and we'll help you identify it. Better a quick check now than the wrong gears in hand with the engine apart.\u003c\/p\u003e\n\n\u003ch4\u003eHigh Flow, Not Just Stronger\u003c\/h4\u003e\n\n\u003cp\u003eThe PM7-style design moves more oil than the factory gear set, which matters when you've built the engine past what Honda planned for. More power and more rpm mean more oil demand, both for lubrication and for carrying heat out of the bearings. A stock-flow pump on a built motor is running closer to its limit than most people realize.\u003c\/p\u003e\n\n\u003ch4\u003eBillet Steel Versus Sintered Powdered Metal\u003c\/h4\u003e\n\n\u003cp\u003eThe strength difference is the other half. Honda sinters their pump gears because it's a cost-efficient process with tight tolerances, but sintered powdered steel is weaker than a casting, around 6,000 PSI. Boundary uses solid billet steel approaching 110,000 PSI yield strength and cuts every tooth in-house, roughly 18 times stronger in the raw material alone. The steel grade and heat treat were developed with metallurgists, and each gear carries an HT number traceable to its original material spec sheet.\u003c\/p\u003e\n\n\u003ch4\u003eMartenWear Dual-Stage Heat Treat\u003c\/h4\u003e\n\n\u003cp\u003eThese carry Boundary's MartenWear dual-stage heat treatment, rated for operation over 9,000 RPM. D-series builds routinely see rpm the factory never intended, and that rating is what separates a gear that survives it from one that eventually cracks. Dual-stage gets you a hard wearing surface with a tough core, so it resists wear without turning brittle.\u003c\/p\u003e\n\n\u003ch4\u003eFlow-Tested And Backed For Life\u003c\/h4\u003e\n\n\u003cp\u003eBoundary validates every design on their own flow bench to 12,000 RPM before it ships, and they hold two US patents on their pump designs. Machined in the USA and covered by a lifetime warranty.\u003c\/p\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\n\u003cp\u003eThese gears fit the Honda D16A1, D16A8, and D16A9 using the \u003cstrong\u003eP29 pump\u003c\/strong\u003e. Confirm your pump before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eWho Should Run These Gears\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the D-series builder who's making real power out of a small engine and knows the oiling system has to keep up. High compression, high rpm, boost, or nitrous, they all put more demand on the pump than a stock D16 ever saw. Confirm you're running a P29 pump, get these in while it's apart, and stop worrying about it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honda D16A1, D16A8, and D16A9 with the P29 pump only. \u003cstrong\u003ePart number:\u003c\/strong\u003e P29-OPG-M. \u003cstrong\u003eType:\u003c\/strong\u003e PM7-style high flow. \u003cstrong\u003eMaterial:\u003c\/strong\u003e billet steel, approximately 110,000 PSI yield strength versus roughly 6,000 PSI for OEM sintered gears. \u003cstrong\u003eHeat treat:\u003c\/strong\u003e MartenWear dual-stage, rated for operation over 9,000 RPM. \u003cstrong\u003eTesting:\u003c\/strong\u003e flow-tested to 12,000 RPM. \u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime. \u003cstrong\u003eMade in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e1992-1995 Honda Civic EX\/Si\u003cbr\u003e1988-1991 Honda CRX Si\u003cbr\u003e1993-1995 Honda Del Sol Si\u003c\/p\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\u003cp\u003e(1) Outer Oil Pump Gear\u003cbr\u003e(1) Inner Oil Pump Gear\u003c\/p\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":46384803840034,"sku":"BND-P29-OPG-M","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/BND-P29-OPG-M_ex10.jpg?v=1786463156"},{"product_id":"boundary-billet-oil-pump-hears-h22-prelude-accord","title":"Boundary Billet Oil Pump Gears for H22 Prelude\/Accord","description":"\u003cul\u003e\n\u003cli\u003e18x Stronger Than OEM Gears \u003c\/li\u003e\n\u003cli\u003eMartenWear Heat Treat, Rated Past 9,000 RPM \u003c\/li\u003e\n\u003cli\u003eCompatible with H22 Engines, Prelude, Accord SiR, Torneo \u003c\/li\u003e\n\u003cli\u003eBillet Steel, Made in USA, Lifetime Warranty \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\u003eBoundary Billet Oil Pump Gears - Honda H22 (Prelude, Accord \u0026amp; Torneo)\u003c\/h3\u003e\n\n\u003cp\u003eThe H22 is one of Honda's great high-revving engines, and that's exactly why its oil pump gears matter. Every trip toward redline is another stress cycle on a pair of sintered powdered metal gears rated around 6,000 PSI. These Boundary gears replace them with billet steel approaching 110,000 PSI yield strength, heat treated for sustained operation above 9,000 RPM, which is the range an H22 actually lives in when you're driving it the way it was built to be driven.\u003c\/p\u003e\n\n\u003ch4\u003eHigh RPM Is Where Sintered Gears Get Nervous\u003c\/h4\u003e\n\n\u003cp\u003eHonda produces OEM pump gears by sintering because it's cheap and holds tolerance well, but sintered powdered steel is weaker than even a casting, around 6,000 PSI. Sintered metal also fails suddenly rather than gradually. It cracks. And a cracked oil pump gear on a running engine means losing pressure without warning, which on an H22 spinning past 7,000 rpm is a very expensive few seconds.\u003c\/p\u003e\n\n\u003cp\u003eBillet steel behaves differently. Boundary starts from solid stock approaching 110,000 PSI yield strength, roughly 18 times what the factory gear offers, and cuts each tooth in-house. They developed the steel grade and heat treat with metallurgists, and every gear carries an HT number tracing it back to its material specification.\u003c\/p\u003e\n\n\u003ch4\u003eMartenWear Dual-Stage Heat Treat\u003c\/h4\u003e\n\n\u003cp\u003eThese get Boundary's MartenWear dual-stage heat treatment, rated for operation over 9,000 RPM. On an engine defined by its top end, that rating is the point. The dual-stage process builds surface hardness for wear resistance while keeping the core tough, so the gear holds up to the constant load reversals that high rpm puts through a pump drive.\u003c\/p\u003e\n\n\u003ch4\u003ePatented Designs, Flow-Tested, Lifetime Warranty\u003c\/h4\u003e\n\n\u003cp\u003eBoundary holds two US patents covering their gerotor and dual-rotor designs, and validates every design on their own in-house flow bench, testing to 12,000 RPM before anything ships. Machined in the USA, and backed by a lifetime warranty.\u003c\/p\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eModel\u003c\/th\u003e\n            \u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHonda Prelude\u003c\/td\u003e\n\u003ctd\u003e1991-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHonda Accord\u003c\/td\u003e\n\u003ctd\u003e1993-1997\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHonda Torneo\u003c\/td\u003e\n\u003ctd\u003e1997-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWho Should Run These Gears\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the H22 owner building an engine, refreshing a high-mileage one, or anyone who spends real time above 7,000 rpm and wants the oiling system to keep up. Preludes and Accords with these motors are old enough now that a rebuild is common, and the pump is already off the engine during one. That's the moment to put gears in that won't be the thing that ends it.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honda H22, 1991-2001 Prelude, 1993-1997 Accord SiR, and 1997-2001 Torneo. \u003cstrong\u003ePart number:\u003c\/strong\u003e H22-OPG. \u003cstrong\u003eMaterial:\u003c\/strong\u003e billet steel, approximately 110,000 PSI yield strength versus roughly 6,000 PSI for OEM sintered gears. \u003cstrong\u003eHeat treat:\u003c\/strong\u003e MartenWear dual-stage, rated for operation over 9,000 RPM. \u003cstrong\u003eTesting:\u003c\/strong\u003e flow-tested to 12,000 RPM. \u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime. \u003cstrong\u003eMade in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e1992-2001 Honda Prelude\u003cbr\u003e1994-1997 Honda Accord SiR\u003cbr\u003e1997-2001 Honda Torneo\/Accord Euro R\u003c\/p\u003e \n\u003c\/li\u003e\n\n\n\n\n\n\n \n\u003cli id=\"Included\"\u003e\n\u003cp\u003e(1) Outer Oil Pump Gear\u003cbr\u003e(1) Inner Oil Pump Gear\u003c\/p\u003e\n\u003c\/li\u003e\n\n\n\n\n\n\n\n\n\n\n\n\n\u003c\/ul\u003e\n","brand":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":46384843489314,"sku":"BND-H22-OPG","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/BND-H22-OPG_pcr6.jpg?v=1786463707"},{"product_id":"boundary-billet-oil-pump-gears-b18-integra","title":"Boundary Billet Oil Pump Gears for B18C1\/B18C5","description":"\u003cul\u003e\n\u003cli\u003e18x Stronger Than OEM Gears \u003c\/li\u003e\n\u003cli\u003eMartenWear Heat Treat, Rated Past 9,000 RPM \u003c\/li\u003e\n\u003cli\u003eFits Orbit Pump Only, Commonly B18C1\/B18C5 \u003c\/li\u003e\n\u003cli\u003eBillet Steel, Made in USA, Lifetime Warranty \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\n\u003ch3\u003eBoundary Billet Oil Pump Gears - Honda B18 (Orbit Pump Only)\u003c\/h3\u003e\n\n\u003cp\u003eIf you're building a B18 that's going to see real rpm, the oil pump gears deserve more attention than they usually get. Factory gears are sintered powdered metal at roughly 6,000 PSI of strength, and a B-series that lives at 8,000-plus rpm asks a lot more of them than a commuter ever did. These Boundary gears are billet steel approaching 110,000 PSI yield strength, cut in-house, and heat treated for operation above 9,000 RPM.\u003c\/p\u003e\n\n\u003ch4\u003eRead This First: Orbit Pump Only\u003c\/h4\u003e\n\n\u003cp\u003eMost important thing on this page. These gears fit the \u003cstrong\u003eOrbit pump only\u003c\/strong\u003e. Honda used more than one oil pump design across B-series engines, and having a B18 does not tell you which pump is bolted to yours, especially on an engine that's been swapped, rebuilt, or assembled from parts over the last thirty years.\u003c\/p\u003e\n\n\u003cp\u003eSo before you order, pull your pump or confirm what's on it. If you're not certain, reach out and we'll help you sort it out. It's a five-minute check that saves you from buying gears that won't fit a pump you've already got apart.\u003c\/p\u003e\n\n\u003ch4\u003eWhy Sintered Gears Are The Weak Link\u003c\/h4\u003e\n\n\u003cp\u003eHonda makes OEM oil pump gears by sintering, which is a cost-efficient process that produces tighter tolerances than casting. The tradeoff is strength: sintered powdered steel is actually weaker than a casting, coming in around 6,000 PSI. That's adequate for the duty cycle Honda designed for and marginal for a built B18 spinning hard on a road course or down a drag strip.\u003c\/p\u003e\n\n\u003cp\u003eBoundary starts from solid billet steel approaching 110,000 PSI yield strength, roughly 18 times stronger, and cuts every tooth themselves. They developed the specific steel grade and heat treat alongside metallurgists, and every gear traces back to its original material spec sheet through an HT number stamped on it.\u003c\/p\u003e\n\n\u003ch4\u003eMartenWear Dual-Stage Heat Treat\u003c\/h4\u003e\n\n\u003cp\u003eThese carry Boundary's MartenWear dual-stage heat treatment, rated for operation over 9,000 RPM. That matters on a B-series more than most engines, because these motors get revved. A dual-stage process gives you hard wear surfaces plus a tough core, so the gear resists wear without going brittle under the cyclic loading that high rpm creates.\u003c\/p\u003e\n\n\u003ch4\u003eTested And Backed\u003c\/h4\u003e\n\n\u003cp\u003eBoundary flow-tests every design on their own bench to 12,000 RPM before it goes out, and they hold two US patents on their pump designs. Everything is machined in the USA, and it's covered by a lifetime warranty.\u003c\/p\u003e\n\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\n\u003cp\u003eThese gears fit Honda B18 1.8L engines using the \u003cstrong\u003eOrbit pump\u003c\/strong\u003e. Confirm your pump type before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eWho Should Run These Gears\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the B18 builder putting an engine together properly, or anyone with a high-rpm B-series who'd rather not find out what a cracked pump gear does to a bottom end. If the pump is already off the engine, this is the moment. Confirm you're running an Orbit pump, order the right set, and build it once.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e Honda B18 1.8L with the Orbit pump only. \u003cstrong\u003ePart number:\u003c\/strong\u003e B18-OPG. \u003cstrong\u003eMaterial:\u003c\/strong\u003e billet steel, approximately 110,000 PSI yield strength versus roughly 6,000 PSI for OEM sintered gears. \u003cstrong\u003eHeat treat:\u003c\/strong\u003e MartenWear dual-stage, rated for operation over 9,000 RPM. \u003cstrong\u003eTesting:\u003c\/strong\u003e flow-tested to 12,000 RPM. \u003cstrong\u003eWarranty:\u003c\/strong\u003e lifetime. \u003cstrong\u003eMade in the USA.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e1994-2001 Acura Integra GS-R\u003cbr\u003e1997-2001 Acura Integra Type R\u003cbr\u003e\u003c\/p\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":"Boundary Racing Pumps","offers":[{"title":"Default Title","offer_id":46384868392994,"sku":"BND-B18-OPG-M","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/BND-B18-OPG-M_crb5.jpg?v=1786464509"}],"url":"https:\/\/www.hybrid-racing.com\/collections\/boundary-racing-pumps.oembed","provider":"Hybrid Racing","version":"1.0","type":"link"}