ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Sprung Mono-Drive Hub Torque Capacity 700ft/lbs 5x114.3 This Intercooler Upgrade maximizes airflow

This Intercooler Upgrade maximizes airflow and enhances horsepower and torque

which is beefy enough to allow for offroad use

but with practically no spark duration

Size :   24x10

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

ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Sprung Mono-Drive Hub Torque Capacity 700ft/lbs 5x114.3 This Intercooler Upgrade maximizes airflowT1S 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