2004-2021 Subaru STI
The IAG Spec Competition Triple Disc Clutch & Flywheel Kit is purpose-built for 2004–2021 Subaru STI 6-speed transmissions and optimized for racing applications. With a 7.25" CCI ceramic disc setup and complete push-style conversion system, this kit delivers high torque capacity, reduced rotational mass, and superior engagement—all engineered for competition-grade performance.
High Torque Capacity for Racing
Triple disc ceramic clutch handles high horsepower and aggressive driving without sacrificing engagement consistency.
Lightweight Forged Flywheel
4140 forged steel flywheel minimizes rotational mass to improve throttle response and reduce drivetrain load.
Complete Push-Style Conversion Kit
Converts the STI’s OEM pull-type clutch system to a more reliable and serviceable push-style system.
Durable Construction
Includes a 6061-T6 aluminum clutch cover, 6150 steel diaphragm spring, and high-quality hardware for long-lasting reliability.
Smooth, Consistent Engagement
Designed for racing reliability while still offering controlled, linear pedal feel on high-performance builds.
(x1) Triple Disc Ceramic Clutch Assembly
(x1) 4140 Forged Steel Flywheel
(x1) Push-Style Throwout Bearing
(x1) Clutch Fork
(x1) Clutch Slave Cylinder
(x1) Hard Fluid Line
(x2) Copper Crush Washers
(x8) Flywheel Bolts
(x1) Clutch Alignment Tool
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