SKU: actT1R-S05 ACT Mod Twin HD Race Kit with Sprung Mono-Drive Hub for 04-20 WRX/STI

ACT Mod Twin HD Race Kit with Sprung Mono-Drive Hub for 04-20 WRX/STI

The T1R-S05 Mod-Twin 225 HD Sprung Race Kit is engineered to deliver aggressive launches and smoother shifting for high-powered AWD vehicles. Combining dual ceramic friction surfaces with an ultra-durable Mono-Drive sprung hub assembly, this modular design ensures unmatched performance and reliability. Each diaphragm spring undergoes a proprietary four-stage heat-treating process, providing a consistent light pedal feel. High-quality puck-style ceramic friction plates offer superior friction coefficient, exceptional heat capacity, and extended clutch life.

This comprehensive kit includes a CNC-machined and dynamically balanced flywheel, pressure plate cover, diaphragm spring, puck-style ceramic friction plates, sprung Mono-Drive hub assembly, floater, patented Monoloc Collar, release bearing, alignment tool, and pilot bearing (if needed). Fully rebuildable with individually available components, the T1R-S05 Mod-Twin 225 HD Sprung Race Kit ensures enduring performance and reduced driveline shock, making it the ultimate solution for demanding racing applications.

Important Note About Vehicle Fitment

Our vehicle fitment selection tool is currently in development, and we’re working hard to ensure the accuracy of our data. While most models and trims should be correct, there may be some instances where fitment information is incomplete or an alternative option is available.

If you’re unsure about the compatibility of a part with your vehicle, please don’t hesitate to reach out to us for assistance. Our team is here to help you find the perfect fit!