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 Accleration Meets and exceeds SFI 1.5 PartNumber : comp2-645-STU Description : Forged Ultra Lightweight Steel Flywheel FW Weight : 9.65lbs 2005-2006 Mitsubishi Lancer Evolution L4.1997cc Drivetrain::Flywheels 2003-2004 Mitsubishi Lancer Evolution L4.2000cc Drivetrain::Flywheels 2005-2006 Mitsubishi Lancer Evolution MR L4.1997cc Drivetrain::Flywheels 2005-2006 Mitsubishi Lancer Evolution RS L4.1997cc Drivetrain::Flywheels 2006 Mitsubishi Lancer Evolution SE L4.1997cc Drivetrain::Flywheels