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The Stage 4 (1MD) clutch kit from Action Clutch targets Honda Civic Si (2006–2011) 2.0L (K20Z3) drivers who need race-capable hardware. It uses an Unsprung MIBA Ceramic disc, reinforced drive straps and a heavy-duty single diaphragm pressure plate for very quick engagement and strong holding capacity, with expected clutch chatter that reduces after break-in. Each kit undergoes engineering sign-off; confirm correct selection to avoid premature wear or damage.
Action Clutch 06-11 Honda Civic Si 2.0L (K20Z3) Stage 4 Clutch Kit (1MD)
