The Action Clutch Stage 4 (1MD) Clutch Kit for 2003–2008 Toyota Matrix 1.8L (1ZZFE) is an unsprung MIBA Ceramic kit aimed at dedicated race vehicles. It features a heavy-duty single diaphragm pressure plate, reinforced drive straps, and an unsprung ceramic disc for rapid on/off engagement. Users should expect increased chatter until break-in; the kit raises holding capacity by about 170% and is intended for race, drag, road, or drift use, with each unit quality checked before shipping.
Action Clutch 03-08 Toyota Matrix 1.8L (1ZZFE) Stage 4 Clutch Kit (1MD)