This flywheel is specially designed to fit the 1997-2004 GM LS1, For use in heavier drag race cars or for the best drivability in street driven vehicles, These billet steel flywheels are CNC machined from certified materials and exceed SFI specifications, Highly recommended as replacements for factory cast flywheels in high performance and racing vehicles, Flywheels are Blanchard ground parallel to the crankshaft mounting surface ensuring minimum runout and the optimum mating surface for the clutch disc.
