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 : comp2-746-STU Description : Forged Ultra Lightweight Steel Flywheel FW Weight : 11lbs 1999 Mazda Miata 10th Anniversary L4.1839cc Drivetrain::Flywheels 1994-1997 Mazda Miata Base L4.1839cc Drivetrain::Flywheels 1999-2005 Mazda Miata Base L4.1839cc Drivetrain::Flywheels 2000-2005 Mazda Miata LS L4.1839cc Drivetrain::Flywheels 1994-1997 Mazda Miata M Edition L4.1839cc Drivetrain::Flywheels 2004-2005 Mazda Miata Mazdaspeed L4.1839cc Drivetrain::Flywheels 2000-2003 Mazda Miata SE L4.1839cc Drivetrain::Flywheels 2003 Mazda Miata Shinsen L4.1839cc Drivetrain::Flywheels 1997 Mazda Miata STO L4.1839cc Drivetrain::Flywheels