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The Ironman Unsprung clutch kit from Action Clutch is a high-capacity, race-only option for Honda Civic Si (2006–2011) 2.0L (K20Z3) applications. It uses American Sintered Iron friction and a dual clamp-load heavy-duty pressure plate to deliver aggressive on/off engagement and roughly 250% increased holding capacity over factory. Light engagement noise or gear rattle may occur; each kit is hand-checked and signed off by experienced engineers.
Action Clutch 06-11 Honda Civic Si 2.0L (K20Z3) Ironman Unsprung Clutch Kit
