View our Specials! Coupon Code: SaveIn2026
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Types of Driving: Street, Drag, Pulling, Autocross
SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass. SPEC flywheels are NOT a one-fits-all lightweight flywheel, though they can be used for an array of driving habits and racing/high performance applications. Consult a SPEC representative for a recommendation. Manufactured from only the highest quality steel and aluminum, they are the only flywheels on the market manufactured to a .001 machine tolerance, guaranteeing a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.
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Sorry we do not have fitment information available for this part number. Contact us for any fitment questions. | |||||
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov $67.38
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 IN STOCK - LOW Fidanza 198501Fidanza Aluminum Flywheels -Domest Fidanza 89-96 Chevrolet Corvette 5.7L LT-1Aluminum Flywheel $832.64
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 IN STOCK Yukon Gear & Axle YPKC8.25-PC-T/LYukon Gear & Axle Spider Gear Kits Yukon Gear 8.25in Chrysler / Model 35 / D36 ICA / & Dana 28 Tracloc Clutch Set $194.89
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 IN STOCK - LOW Yukon Gear & Axle SK 30214Yukon Gear & Axle Shim Kits Yukon Gear Replacement Carrier Shim Kit For Dana Spicer 44 / 30 Spline Axles $34.10
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 IN STOCK McLeod Racing 75118McLeod Racing Street Pro Clutch Kits McLeod Street Pro Clutch Kit Corvette 1989-96 L98 Lt1 Lt5 (Zr1) $425.00
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 IN STOCK Yukon Gear & Axle YMS5778Yukon Gear & Axle Seals Yukon Gear Dana 25 / 27 / 30 / 36 / 44 / 50 Pinion Seal Replacement $35.35
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 IN STOCK Yukon Gear & Axle YUJ178Yukon Gear & Axle U-Joints Yukon Gear - Yukon 1350 U-Joint w/Zerk Fitting $66.78
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 IN STOCK - LOW Yukon Gear & Axle SK 25300Yukon Gear & Axle Shim Kits Yukon Gear Pinion Depth Shims For GM 8.25in IFS / 8.5in / 12 Bolt Car / Ford 8.8in & Chrysler 8.25in $32.85
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For more information on SPEC part number SC66SC4, you can visit the official SPEC website.
