
FWCV-21004 Billet Aluminum Flywheel w/Steel Inserts, 1986-Up GM Vortec/ZZ3/ZZ4/ZZ383, 153-Tooth, 1-Piece Rear Main
- Billet Aluminum Flywheel w/Steel Inserts
- 1986-Up GM Vortec/ZZ3/ZZ4/ZZ383
- 153-Tooth
- 1-Piece Rear Main
- Mechanical Linkage
Billet Aluminum with Steel Inserts 153t Flywheel, 1-Piece Main Seal, 1986-Up Vortec, ZZ3, ZZ4, ZZ383, Mechanical Linkage
American Powertrain FWCV-21004 Features:
- Billet Aluminum with Steel Inserts 153t Flywheel, 1-Piece Main Seal, 1986-Up Vortec, ZZ3, ZZ4, ZZ383, Mechanical Linkage
American Powertrain Science Friction Billet Aluminum Flywheels For Fast RPM Gain
American Powertrain Science Friction Billet Aluminum Flywheels deliver lightweight, SFI-quality performance for GM, Ford, Mopar, and AMC V8 applications. Made in the USA, each flywheel features solid billet construction, a double Blanchard-ground steel friction plate, aircraft-grade rivets, welded-tab HD ring gear, and crank-spec balancing for dependable high-rpm use. Ideal for road racing, high-revving engines, and low-mass vehicles, these CNC-milled flywheels offer affordable performance, broad clutch compatibility, and quick throttle response.





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