All non Type-S RSX models and 01-05 Civic Si models must use ACT Flywheel or factory RSX Type S Flywheel (Not included in Kits). XT/Perf Street Sprung Moderate to heavy pedal effort, smooth...
Must use ACT Flywheel (Included in kit) XT/Perf Street Sprung Moderate to heavy pedal effort, smooth engagement, OE to mild gear rattle; Longer friction life, extended by ACT's exclusive diaphragm...