This flywheel will work with ALL performance and stock clutch assemblies. Features CNC machined and balanced to O.E. specifications Weight varies from 8 lbs. to 18lbs. depending on application Stamped with 4140 plate with 2000 ton pressure at 1260 degrees Benefits Meets and exceeds SFI 1.5 Reduced Mass = Increased Accleration One piece ring gear for high durability Preserves low end torque and drive ability Well suited for Stage 3 and up clutch kit applications Applications 2002-2011 Honda Civic SI 2002-2006 Acura RSX What\’s in the Box? 1 Lightweight Steel Flywheel Warranty Manufacturer 90-Day Warranty