ACT Xtreme Duty Performance Street Disc Clutch Kit Includes Flywheel (SB11-XTSS) | Subaru WRX 2006-2025

The ACT Xtreme Duty Performance Street Disc Clutch Kit Includes Flywheel (SB11‑XTSS) is engineered for 2006–2025 Subaru WRX owners who want a robust, street‑ready clutch and flywheel system capable of handling increased torque, aggressive driving, and performance upgrades. This complete kit combines an Xtreme Duty performance clutch disc with a matched lightweight flywheel, delivering smooth yet assertive engagement, improved throttle response, and strong torque capacity ideal for daily driving, spirited backroad runs, and occasional track sessions.

KEY FEATURES

• Xtreme Duty clutch disc engineered for strong clamp load and dependable engagement under load
• Matched lightweight flywheel reduces rotational mass for improved rev transitions and throttle responsiveness
• Complete kit includes clutch disc, heavy duty pressure plate, flywheel, release bearing, pilot bearing, and alignment tool for direct‑fit installation
• High‑performance friction material designed for consistent engagement while maintaining street drivability
• Optimized for WRX engines with stock and moderate power upgrades
• Direct‑fit design compatible with OEM crankshaft and clutch mounting points for straightforward installation

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru WRX 2006–2025
• Clutch Type: Xtreme Duty Performance Street Disc Clutch Kit with Flywheel
• Included Components: Performance clutch disc, heavy duty pressure plate, lightweight flywheel, release bearing, pilot bearing, alignment tool
• Torque Capacity: 525–550 lb‑ft (industry verified range for the SB11‑XTSS configuration)
• Horsepower Support: Up to ~600 HP (based on verified torque capacity at the crank)
• Material: High‑performance friction disc, heavy duty pressure plate, and lightweight steel flywheel for durability and responsiveness
• Installation: Direct‑fit replacement using OEM crankshaft and clutch bolt patterns
• Performance Benefit: Smooth but confident engagement, increased torque handling, reduced rotational mass, enhanced throttle response, and better overall drivability

VEHICLE FITMENT

• Subaru WRX 2006–2025

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