{"product_id":"spec-gm-f40-aluminum-flywheel","title":"Spec GM F40 Aluminum Flywheel","description":"\u003cp\u003eSPEC GM F40 Aluminum Flywheel is a application-specific flywheels engineered for performance manual-transmission applications. It is selected by the complete vehicle, transmission, clutch, flywheel, and release-system configuration, not by engine family or chassis code alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExact SPEC manufacturer part number SCLS4AF40\u003c\/li\u003e\n\u003cli\u003eExact part number and applications verified on the current SPEC manufacturer site\u003c\/li\u003e\n\u003cli\u003eAluminum flywheel selected by exact crank pattern, clutch pattern, and transmission application\u003c\/li\u003e\n\u003cli\u003eManufacturer-published product weight: 15 lbs\u003c\/li\u003e\n\u003cli\u003eProfessional installation, correct fastener torque, release-system setup, and clutch break-in are required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Type\u003c\/th\u003e\n\u003ctd\u003eTransmission and clutch-system specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequired Verification\u003c\/th\u003e\n\u003ctd\u003eVehicle, engine, transmission, clutch design, flywheel pattern, spline, and release system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSPEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003eSCLS4AF40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eFlywheels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFitment Type\u003c\/th\u003e\n\u003ctd\u003eApplication verification required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePricing Policy\u003c\/th\u003e\n\u003ctd\u003eMarket audited, not MAP protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer Series\u003c\/th\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Weight\u003c\/th\u003e\n\u003ctd\u003e15 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOne new SPEC flywheels package identified by manufacturer part number SCLS4AF40. Bearings, flywheels, hydraulic parts, fasteners, and installation tools are included only when the exact manufacturer package states they are included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAbout SPEC\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSPEC Clutch designs and manufactures performance clutch kits, multidisc assemblies, and billet flywheels in the United States for street, track, and competition applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated SPEC Products\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/collections\/spec\"\u003eShop all SPEC products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/spec-12-17-bmw-335i-f30-steel-flywheel\"\u003eSpec 12-17 BMW 335i (F30) Steel Flywheel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/spec-12-13-ford-focus-2-0t-st-ecoboost-aluminum-flywheel\"\u003eSpec 12-13 Ford Focus 2.0T ST EcoBoost Aluminum Flywheel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-ca\/products\/spec-12-13-ford-focus-2-0t-st-ecoboost-aluminum-flywheel-1\"\u003eSpec 12-13 Ford Focus 2.0T ST EcoBoost Aluminum Flywheel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I verify SPEC SCLS4AF40 before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm the exact diameter, spline, crank pattern, clutch pattern, transmission interface, and all manufacturer notes. Do not select this component by appearance alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this require a specific flywheel or pressure plate?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the exact vehicle, transmission, clutch design, and flywheel pattern. Confirm the complete SPEC application before combining components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat installation checks are required?\u003c\/strong\u003e\u003cbr\u003eInspect the flywheel surface, pilot and release bearings, hydraulic or cable release system, fasteners, bellhousing alignment, and rear main seal. Follow current SPEC torque and break-in instructions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFollow the current SPEC instructions for part number SCLS4AF40. Confirm the flywheel surface, crank and clutch patterns, disc orientation, spline engagement, pilot support, release travel, bellhousing alignment, and fastener torque before operation. Complete the manufacturer-required break-in procedure before full-load use.\u003c\/p\u003e","brand":"SPEC","offers":[{"title":"Default Title","offer_id":43581155967055,"sku":"SPECSCLS4AF40","price":475.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/spec-specscls4af40-flywheels-image-01.png?v=1789148527","url":"https:\/\/www.blackopsautoworks.com\/en-ca\/products\/spec-gm-f40-aluminum-flywheel","provider":"Black Ops Auto Works","version":"1.0","type":"link"}