ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Sprung Mono-Drive Hub Torque Capacity 700ft/lbs 5x114.3 Integrated Error Protection-Alerts you to

Integrated Error Protection-Alerts you to a fault if the boost control solenoid is shorted or disconnected so you are never left guessing whether the Tru-BoostX is operational

560 degrees F (-40 to 850 degrees C)

ZM10-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

This creates frictional dampening

ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Sprung Mono-Drive Hub Torque Capacity 700ft/lbs 5x114.3 Integrated Error Protection-Alerts you toT1S S05 Mod Twin 225 HD Sprung Street Kit is designed for high powered AWD street cars. It unites uncompromised pedal feel, durability, engagement quality with very high torque capacity by combining twice the organic friction surfaces with an ultra durable spring center Mono Drive hub in a completely modular design. Each diaphragm spring endures an exclusive four stage heat treating process providing a consistent light pedal feel. Steel backed