Advanced Clutch Mod-Twin 225 XX Sprung Race for Subaru Impreza WRX STI (T3R-S05) PPE_CeramicCoating_2 AA1-HDSD kit features ACT's most

AA1-HDSD kit features ACT's most popular Heavy Duty pressure plate

These kits use a proprietary Positive Lift Floater System design

AA5-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

DN2-HDR4 kit features ACT's most popular Heavy Duty pressure plate

Quality: Spring retainers feature heat-treated wraparound spring windows that provide support and reduce stress concentrations that are common causes for failure

Advanced Clutch Mod-Twin 225 XX Sprung Race for Subaru Impreza WRX STI (T3R-S05) PPE_CeramicCoating_2 AA1-HDSD kit features ACT's mostT3R 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