{"product_id":"spec-90-01-nissan-skyline-rb20-aluminum-flywheel","title":"Spec 90-01 Nissan Skyline RB20 Aluminum Flywheel","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eCSN43A\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSPEC 1990-2001 Nissan Skyline RB20 Aluminum Flywheel\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis SPEC aluminum flywheel fits 1990-2001 Nissan Skyline R32 R33 R34 models with RB20DE and RB20DET engines. It replaces the heavy OEM steel flywheel with a 9 lb design that cuts rotational mass for quicker engine acceleration immediate throttle response and smoother gear shifts. Pair with SPEC clutch kits for reliable performance on track street or JDM drift builds up to 500 ft-lbs torque.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Design:\u003c\/strong\u003e Weighs only 9 lbs versus OEM 22 lbs to accelerate engine revs reduce drivetrain inertia and improve overall responsiveness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Construction:\u003c\/strong\u003e CNC machined from 6061-T6 billet aluminum with chromoly steel hub for strength and durability at high RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSFI Certification:\u003c\/strong\u003e SFI 1.2 rated to 12500 RPM with replaceable 144-tooth heat-treated steel ring gear electron beam welded for secure hold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Mass Layout:\u003c\/strong\u003e Provides stock-like daily drivability with support for aggressive clutch engagement in drag racing or drifting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Protection:\u003c\/strong\u003e Black anodized surface resists wear corrosion and heat in harsh racing conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDirect bolt-on replacement requires matching SPEC clutch assembly MPN SN43A compatible for maximum benefits\u003c\/li\u003e\n\u003cli\u003eBuilt for stock or modified RB20 engines handling up to 500 ft-lbs torque\u003c\/li\u003e\n\u003cli\u003eBox dimensions 14 x 14 x 4 inches for secure transport\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eUse ARP flywheel bolts M10x1.25x60mm for secure mounting not included\u003c\/li\u003e\n\u003cli\u003eTorque to 70-80 ft-lbs and follow clutch break-in procedure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003eR32 GTS-T RB20DET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1998\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003eR33 GTS RB20DE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-1998\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003eR33 GTS-T RB20DET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2001\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003eR34 GTT RB20DE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose SPEC?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSPEC flywheels equip championship drift and drag cars across JDM racing series\u003c\/li\u003e\n\u003cli\u003eEvery unit precision balanced and quality checked in the USA\u003c\/li\u003e\n\u003cli\u003eEngineered for RB20 reliability with racing-proven stress testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this flywheel fit 1996 R33 Skyline GTS-T RB20DET?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it bolts directly to 1995-1998 R33 RB20DET crank flange with 240mm clutch pattern\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in construction?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 6061-T6 aluminum body chromoly hub and 144-tooth steel ring gear for lightweight strength\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e SPEC offers 1-year limited warranty against manufacturing defects with proper installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective cardboard box 14 x 14 x 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 9 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPEC","offers":[{"title":"Default Title","offer_id":43738838401103,"sku":"SPECSN43A","price":440.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/spec-90-01-nissan-skyline-rb20-aluminum-flywheel-spec.png?v=1769814268","url":"https:\/\/www.blackopsautoworks.com\/products\/spec-90-01-nissan-skyline-rb20-aluminum-flywheel","provider":"Black Ops Auto Works","version":"1.0","type":"link"}