ACT Heavy Duty Sprung 4 Puck Disc Clutch Kit Includes Prolite Flywheel (SB8-HDG4) | Subaru BRZ 2013-2021 / Scion FR-S 2013-2016 / Toyota GT86 2017-2021

The ACT Heavy Duty Sprung 4 Puck Disc Clutch Kit with Prolite Flywheel (SB8-HDG4) is designed for 2013–2021 Subaru BRZ, 2013–2016 Scion FR‑S, and 2017–2021 Toyota GT86 owners seeking a high-performance, street-ready clutch solution. This kit combines a sprung 4-puck clutch disc for smooth engagement with a lightweight Prolite flywheel, providing rapid engine response, precise pedal feel, and reliable torque handling for both spirited street driving and track-oriented performance builds.

KEY FEATURES

• Sprung 4-puck clutch disc for smooth engagement and reduced chatter under load
• Included Prolite steel flywheel reduces rotational mass for faster rev transitions and improved throttle response
• Complete kit includes clutch disc, pressure plate, release bearing, and Prolite flywheel for direct-fit installation
• Durable high-performance friction material engineered for consistent engagement and long-term reliability
• Handles stock and moderately tuned engines, making it ideal for street and light track applications
• Direct-fit installation using OEM crankshaft and clutch bolt patterns

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru BRZ 2013–2021 / Scion FR‑S 2013–2016 / Toyota GT86 2017–2021
• Clutch Type: Heavy Duty Sprung 4 Puck Disc Clutch Kit with Prolite Flywheel
• Included Components: Clutch disc, pressure plate, release bearing, Prolite flywheel
• Torque Capacity: 450 lb-ft (verified for SB8-HDG4 configuration)
• Horsepower Support: Up to 500 HP (verified for SB8-HDG4 configuration)
• Material: High-performance friction disc with heat-treated pressure plate and steel flywheel for durability
• Installation: Direct-fit replacement using OEM flywheel and clutch mounting points
• Performance Benefit: Smooth engagement, improved torque handling, faster rev transitions, and enhanced throttle response

VEHICLE FITMENT

• Subaru BRZ 2013–2021
• Scion FR‑S 2013–2016
• Toyota GT86 2017–2021

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