{"product_id":"clutch-masters-steel-aluminum-lightweight-flywheel-k-series","title":"Clutch Masters Lightweight Flywheel for K20A\/K20Z\/K24A","description":"\u003cul\u003e\n\u003cli\u003eLightweight steel construction for durability. \u003c\/li\u003e\n\u003cli\u003eOptimized for Honda and Acura models. \u003c\/li\u003e\n\u003cli\u003eEnhanced throttle response with aluminum variant. \u003c\/li\u003e\n\u003cli\u003eReduced rotational mass for quicker acceleration. \u003c\/li\u003e\n\u003cli\u003eCompatible with 5-speed and 6-speed manuals. \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\u003eClutch Masters Lightweight Flywheel - K-Series Honda \u0026amp; Acura (K20 \/ K24)\u003c\/h3\u003e\n\n\u003cp\u003eYour factory flywheel is heavy, and that weight is quietly dulling how your K-series revs. A flywheel's job is to store rotational energy, and the lighter it is, the less energy the engine wastes spinning it, so the motor revs faster, responds quicker, and feels dramatically more alive. Clutch Masters' lightweight flywheels for the K-series drop a big chunk of that mass, and the difference is immediate: snappier throttle response, faster revs between shifts, and a car that feels eager instead of lazy. Whether you daily your Si or chase lap times in your RSX Type-S, this is one of those upgrades you feel every single time you touch the throttle.\u003c\/p\u003e\n\n\u003ch4\u003eSteel Or Aluminum? Here's How To Choose\u003c\/h4\u003e\n\n\u003cp\u003eThis page offers two versions, and picking the right one comes down to how you drive, so let's break it down honestly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGo with the steel flywheel\u003c\/strong\u003e if you want the best all-around upgrade for a street car. It's lighter than stock for that quicker-revving feel, but it's built from robust steel for longevity and reliability, and it keeps enough mass that the car is still easy and smooth to drive in traffic and from a stop. For most people, especially daily drivers, this is the right choice. It's the durable, do-it-all option.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGo with the aluminum flywheel\u003c\/strong\u003e if you want maximum response and you're chasing performance above all. It's significantly lighter than the steel version, which slashes rotational inertia and makes the engine rev even faster and change gears even quicker. That's a huge advantage on track or in an aggressive build. The tradeoff to know going in: a very light flywheel takes a little more finesse to launch smoothly from a stop and can feel busier in stop-and-go traffic. If you prioritize outright response and don't mind that, aluminum is the weapon. If you want a flywheel you never have to think about in daily driving, steel is the safer bet.\u003c\/p\u003e\n\n\u003ch4\u003eWhat A Lighter Flywheel Actually Does\u003c\/h4\u003e\n\n\u003cp\u003eThe gain here is all about rotational mass. Every pound you take off the flywheel is weight the engine no longer has to accelerate, so more of your power goes to moving the car and revving the motor instead of spinning a heavy disc. You'll feel it as quicker throttle response, faster rev-matching on downshifts, and snappier acceleration, particularly noticeable in the lower gears where the engine is revving hardest. It's not about peak horsepower on a dyno, it's about how much more responsive and connected the whole car feels to drive.\u003c\/p\u003e\n\n\u003ch4\u003eRead This First: You Need An RSX Type-S Clutch\u003c\/h4\u003e\n\n\u003cp\u003eThis is the requirement that matters most, so confirm it before you order. Both the steel and aluminum flywheels require the use of an RSX Type-S clutch. The flywheel is designed around that clutch setup, so if your car has a different clutch, you'll need to run the \u003ca href=\"https:\/\/www.hybrid-racing.com\/products\/clutch-masters-fx300-stage-3-clutch-rsx-tsx-civic-si\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eRSX Type-S clutch\u003c\/a\u003e for everything to bolt up and work together correctly. This is especially important for base-model and Si owners to plan for. Sort out your clutch before you buy the flywheel so the whole package integrates the way it should.\u003c\/p\u003e\n\n\u003ch4\u003eFits Both 5-Speed And 6-Speed K-Series\u003c\/h4\u003e\n\n\u003cp\u003eThese flywheels fit a broad range of K-series Honda and Acura cars, and both the 5-speed and 6-speed manual transmissions:\u003c\/p\u003e\n\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth scope=\"col\"\u003eMake\u003c\/th\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\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eRSX Base \/ Type-S\u003c\/td\u003e\n\u003ctd\u003e2002-2006\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eAcura\u003c\/td\u003e\n\u003ctd\u003eTSX\u003c\/td\u003e\n\u003ctd\u003e2004-2008\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic Si\u003c\/td\u003e\n\u003ctd\u003e2002-2011\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eBoth variants require an RSX Type-S clutch regardless of which car you're installing in. Confirm your clutch setup before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eWho Should Run This Flywheel\u003c\/h4\u003e\n\n\u003cp\u003eThis is for the K-series owner who wants their engine to feel sharper and rev freer, whether that's a daily-driven Si you want to wake up or a built RSX Type-S you're setting up for the track. Decide honestly how you drive, steel for the durable everyday upgrade, aluminum for maximum response, make sure you've got the RSX Type-S clutch to pair it with, and get ready for a car that feels noticeably more eager every time you get on the throttle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e 2002-2006 Acura RSX Base and Type-S, 2004-2008 Acura TSX, 2002-2011 Honda Civic Si (K20 \/ K24), 5-speed and 6-speed manual. \u003cstrong\u003eOptions:\u003c\/strong\u003e lightweight steel (durable, best all-around) or lightweight aluminum (lightest, maximum response). \u003cstrong\u003eBenefit:\u003c\/strong\u003e reduced rotational mass for quicker revs, sharper throttle response, and faster shifts. \u003cstrong\u003eRequired:\u003c\/strong\u003e RSX Type-S clutch. \u003cstrong\u003eType:\u003c\/strong\u003e direct-fit lightweight flywheel.\u003c\/p\u003e\n\u003c\/li\u003e\n\n \n\u003cli id=\"VehicleFitment\"\u003e\n \u003cp\u003e\u003cspan class=\"tag\"\u003e2007-2010 Acura CSX Type-S\u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2002-2006 Acura RSX Type-S\u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2002-2006 Acura RSX \u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2004-2008 Acura TSX \u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2003-2007 Honda Accord \u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2002-2006 Honda CR-V \u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2006-2011 Honda Civic Si\u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2002-2005 Honda Civic Si\u003c\/span\u003e\u003cspan class=\"tag\"\u003e\u003cbr\u003e2003-2011 Honda Element \u003c\/span\u003e\u003c\/p\u003e\n\n\n\n\n\n\n\n\n\u003cbr\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\u003cp\u003e(1) Flywheel\u003cbr\u003e(6) Flywheel Bolts\u003c\/p\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":"Clutch Masters","offers":[{"title":"Steel","offer_id":46127197126690,"sku":"CLM-FW-037-SF","price":361.25,"currency_code":"USD","in_stock":false},{"title":"Aluminum","offer_id":46127197159458,"sku":"CLM-FW-037-AL","price":361.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2218\/5701\/files\/clutch-masters-lightweight-fly_sgmb.jpg?v=1785357726","url":"https:\/\/www.hybrid-racing.com\/products\/clutch-masters-steel-aluminum-lightweight-flywheel-k-series","provider":"Hybrid Racing","version":"1.0","type":"link"}