ACT Mod Twin 225 Xtreme Duty Rigid Street Twin Disk Clutch Kit (T2S-S07) | Subaru STI 2004-2021

The ACT Mod Twin 225 Xtreme Duty Rigid Street Twin Disk Clutch Kit (T2S‑S07) is engineered for 2004–2021 Subaru STI owners seeking a high‑capacity, street‑ready twin disk clutch with aggressive engagement and maximum torque control. Featuring dual 225 mm friction discs and a rigid center design for direct power transfer, this Xtreme Duty street twin system delivers improved throttle response, reduced slippage, and reliable clutch performance under spirited driving and high‑output conditions.

KEY FEATURES

• Dual 225 mm friction discs provide expanded surface area for higher torque capacity and increased grip
• Rigid center disc design delivers direct, positive engagement with minimal deflection under load
• Xtreme Duty pressure plate engineered for increased clamp load and enhanced durability
• Includes twin clutch discs, heavy duty pressure plate, release bearing, pilot bearing, and alignment tool for complete direct‑fit installation
• Optimized for street performance vehicles with high torque requirements and aggressive driving habits
• Direct‑fit design integrates with OEM crankshaft and clutch mounting points for straightforward installation

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru STI 2004–2021
• Clutch Type: Mod Twin 225 Xtreme Duty Rigid Street Twin Disk Clutch Kit
• Included Components: Twin friction discs, Xtreme Duty pressure plate, release bearing, pilot bearing, alignment tool
• Torque Capacity: ~660 lb‑ft (verified for T2S‑S07 configuration)
• Horsepower Support: Up to ~710 HP (approximate based on verified torque capacity)
• Disc Diameter: Dual 225 mm friction discs for extended torque capacity and durability
• Material: Xtreme Duty friction material with heavy‑duty pressure plate for long‑lasting performance under heavy use
• Installation: Direct‑fit replacement using OEM crankshaft and clutch bolt patterns
• Performance Benefit: Enhanced torque handling, direct engagement, aggressive throttle response, and dependable operation in street‑oriented performance applications

VEHICLE FITMENT

• Subaru STI 2004–2021

ACT delivers proven, data‑driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.