8.52lb Ultra-Lightweight B-Series Steel Flywheel The Competition Clutch Forged Ultra Lightweight Steel Flywheel is recommended for forced induction and/or track and rally racing applications. This flywheel will work with ALL performance and stock clutch assemblies. Qualities of the CCI Ultra Lightweight Steel Flywheel * One piece ring gear for high durability * Weight varies from 8 lbs. to 10 lbs. depending on application * Well suited for Stage 3 and up 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 Acceleration Meets and exceeds SFI 1.5