Advanced Clutch Mod-Twin 225 XX Sprung Race for Subaru Impreza WRX STI (T3R-S05) PPE_CeramicCoating_2 ACT's exclusive diaphragm design increases

ACT's exclusive diaphragm design increases clamp load

Light to moderate pedal effort

These kits use a proprietary Positive Lift Floater System design

AI4-XXR4 kit features a MaXX pressure plate for the serious enthusiast

Advanced Clutch Mod-Twin 225 XX Sprung Race for Subaru Impreza WRX STI (T3R-S05) PPE_CeramicCoating_2 ACT's exclusive diaphragm design increasesT3R S05 Mod Twin 225 XX Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD by combining twice the ceramic friction surfaces with an ultra durable Mono Drive sprung hub assembly in a completely modular design. Each diaphragm spring endures an exclusive four stage heat treating process providing a consistent pedal feel requiring moderate effort. Puck style Friction Plates with high quality ceramic friction materials