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The ACT Mod‑Twin 225 XT Sprung race kit is a modular clutch assembly engineered for 2004–2020 Subaru WRX STI competition use. It combines twice the ceramic friction surfaces with an ultra‑durable Mono‑Drive sprung hub and a CNC machined, dynamically balanced flywheel for aggressive launches and smoother shifts. The kit is fully rebuildable and includes all major components for race applications.
ACT 04-20 WRX STI Mod Twin XT Race Kit Sprung Hub Torque Cap 1120ft/lbs Not For Street Use
