The Action Clutch Ironman Sprung clutch kit for 2006–2011 Honda Civic Si 2.0L (K20Z3) is a single-disc, sprung street kit built for high-powered race vehicles. It uses American sintered iron friction with a dual clamp-load pressure plate for high torque capacity and aggressive on/off engagement. Expect some light engagement noise or gear rattle; this kit is intended for track or race use, not daily driving, and offers roughly 250% more holding capacity than stock.
Action Clutch 06-11 Honda Civic Si 2.0L (K20Z3) Ironman Sprung (Street) Clutch Kit