This ACT T1S - S07 clutch kit is a perfect fit for 2004 - 2021 Subaru STIs. It features a Mod - Twin 225 rigid clutch disc paired with a Heavy Duty pressure plate. You'll enjoy a soft, progressive engagement with light pedal effort and the ability to handle up to 700ft/lbs of torque. Ideal for street or street/strip use. The Mod - Twin 225 HD Rigid Street Kit combines easy pedal feel, smooth yet positive engagement, and quick shifting for high - powered AWDs. With twice the organic friction surfaces and a rigid Mono - Drive hub in a modular design, it's great. Each diaphragm spring undergoes a four - stage heat - treating process. The steel - backed Friction Plates with high - quality organic materials offer a stable friction coefficient, good heat capacity, and long clutch life. The Mono - Drive chrome - moly hub transfers torque uniformly, extending input shaft life. The lightweight, rigid design enables quicker shifts and hassle - free service. The kit includes a CNC - machined and balanced flywheel, pressure plate cover, diaphragm spring, ceramic friction plates, rigid Mono - Drive hub, floater, patented Monoloc Collar, release bearing, alignment tool, and pilot bearing (if needed). Mod - Twin clutches are fully rebuildable, and most components can be ordered separately. Torque Capacity: 700ft/lbs. It has a soft progressive engagement, light pedal effort, quick shifting, and mild to moderate transmission gear noise. Recommended for street or street/strip use. ACT applies tactical engineering to the MOD - TWIN, offering unique solutions to common twin - disc clutch issues, resulting in a durable, serviceable, and high - torque clutch that's 100% clamp load tested, balanced, and SFI certified.



Using this clutch kit is straightforward. First, make sure your vehicle is a 2004 - 2021 Subaru STI. When installing, use the alignment tool included in the kit to ensure proper positioning. The clutch is designed for easy pedal effort, so you'll have a comfortable driving experience. For street or street/strip use, it can handle up to 700ft/lbs of torque. When shifting, you'll notice the quick and smooth action. As for maintenance, since the Mod - Twin clutches are fully rebuildable, you can order most components separately if needed. Keep an eye on the clutch performance, and if you notice any unusual noise, like a significant increase in transmission gear noise, it might be a sign to check the clutch. Also, make sure to follow the general vehicle maintenance schedule to keep the clutch in good condition for a long time.