ACT Mod Twin 225 Xtreme Duty Sprung Race Twin Disk Clutch Kit (T2R-S05) | Subaru STI 2004-2021

The ACT Mod Twin 225 Xtreme Duty Sprung Race Twin Disk Clutch Kit (T2R‑S05) is engineered for 2004–2021 Subaru STI owners demanding elite race‑ready clutch performance with smooth engagement and exceptional torque capacity. Featuring dual 225 mm friction discs with a sprung center disc for reduced chatter and vibration, this Xtreme Duty twin setup provides explosive engagement, massive torque handling, and outstanding heat tolerance for high‑power, track, and competition builds.

KEY FEATURES

• Dual 225 mm friction discs increase clutch surface area for unparalleled torque capacity and grip
• Sprung center disc design reduces clutch chatter, driveline shock, and vibration for smoother, track‑focused engagement
• Xtreme Duty pressure plate engineered for high clamp load and consistent performance under extreme heat and load
• Race‑tuned friction materials for superior heat resistance and consistent engagement under competition conditions
• Complete kit includes twin discs, pressure plate, release bearing, pilot bearing, and alignment tool for a full, direct‑fit installation
• Direct‑fit design works 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 Sprung Race Twin Disk Clutch Kit
• Included Components: Dual 225 mm discs, heavy‑duty race pressure plate, release bearing, pilot bearing, alignment tool
• Torque Capacity: ~675 lb‑ft (verified for T2R‑S05 configuration)
• Horsepower Support: Up to ~740 HP (approximate based on verified torque capacity)
• Disc Diameter: Dual 225 mm friction discs for increased holding power and durability under stress
• Material: Race‑grade friction materials with heat‑treated pressure plate for extreme duty performance
• Installation: Direct‑fit replacement using OEM crankshaft and clutch bolt patterns
• Performance Benefit: Race‑ready clutch engagement, superior torque handling, reduced vibration, and consistent high‑heat durability

VEHICLE FITMENT

• Subaru STI 2004–2021

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