The ultra lightweight steel flywheel (STU suffix) is recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. This flywheel will work with ALL performance and stock clutch assemblies.
Qualities of the CCI Lightweight Steel Flywheel:
Preserves low end torque and drive ability
One piece ring gear for high durability
Weighs 8.9 lbs.
Well suited for Stage 1 and Stage 2 clutch kit applications
Stamped with 4140 plate with 2000 ton pressure at 1260 degrees
CNC machined and balanced to O.E. specifications
Reduced Mass = Increased Accleration
Meets and exceeds SFI 1.5