ACT Xtreme Race Sprung 4 Puck Clutch Kit Includes Flywheel (SB11-XTG4) | Subaru WRX 2006-2025

The ACT Xtreme Race Sprung 4 Puck Clutch Kit Includes Flywheel (SB11‑XTG4) is engineered for 2006–2025 Subaru WRX owners who want race‑ready performance with smoother engagement and high torque capacity. This complete kit combines a sprung 4‑puck race disc with ACT’s high‑clamp Xtreme pressure plate and a matched flywheel to deliver confident power transfer, improved driveline damping, and reliable performance under high‑stress conditions ideal for high‑power street, drag, or track‑focused builds.

KEY FEATURES

• Sprung 4‑puck clutch disc design absorbs drivetrain shock while maintaining strong engagement
• Xtreme pressure plate increases clamp load for superior torque holding power
• Matched flywheel reduces rotational mass for improved throttle response and quicker revs
• Complete kit includes clutch disc, Xtreme pressure plate, ACT flywheel, release bearing, pilot bearing, and alignment tool for direct‑fit installation
• Ceramic friction material offers high heat tolerance and consistent performance
• Designed for competitive use in high‑torque street performance or race environments

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru WRX 2006–2025
• Clutch Type: Xtreme Race Sprung 4 Puck Clutch Kit with Flywheel
• Included Components: Sprung 4‑puck race disc, Xtreme pressure plate, flywheel, release bearing, pilot bearing, alignment tool
• Torque Capacity: ~681 lb‑ft (verified for SB11‑XTG4 configuration)
• Horsepower Support: Up to ~740 HP (approximate based on torque capacity)
• Disc Diameter: 9.4 in / 240 mm ceramic friction disc
• Pressure Plate: High‑clamp Xtreme diaphragm‑style pressure plate
• Flywheel Type: ACT Streetlite lightweight flywheel included
• Installation: Direct‑fit replacement using OEM crankshaft and clutch bolt patterns
• Performance Benefit: Aggressive clutch engagement, improved throttle response, and high‑heat durability

VEHICLE FITMENT

• Subaru WRX 2006–2025

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