ACT Heavy Duty Solid 4 Puck Disc Clutch Kit Includes Prolite Flywheel (SB8-HDR4) | Subaru BRZ 2013-2021 / Scion FR-S 2013-2016 / Toyota GT86 2017-2021

The ACT Heavy Duty Solid 4 Puck Disc Clutch Kit with included Prolite Flywheel (SB8-HDR4) is designed for 2013–2021 Subaru BRZ, 2013–2016 Scion FR‑S, and 2017–2021 Toyota GT86 owners seeking a high-performance, race-ready clutch solution. The solid 4-puck design delivers fast engagement, reliable torque handling, and aggressive throttle response, while the included Prolite flywheel reduces rotational mass to enhance engine responsiveness and rev transitions for street and track use.

KEY FEATURES

• Solid 4-puck clutch disc engineered for fast engagement and consistent torque handling
• Included Prolite steel flywheel reduces rotational mass for improved throttle response and rev transitions
• Complete kit includes clutch disc, pressure plate, release bearing, and Prolite flywheel for direct-fit installation
• High-performance friction material ensures reliable, consistent engagement under high-stress conditions
• Optimized for street and track builds, suitable for tuned or lightly modified engines
• Direct-fit replacement using OEM crankshaft and clutch mounting points

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru BRZ 2013–2021 / Scion FR‑S 2013–2016 / Toyota GT86 2017–2021
• Clutch Type: Heavy Duty Solid 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-HDR4 configuration)
• Horsepower Support: Up to 500 HP (verified for SB8-HDR4 configuration)
• Material: High-performance friction disc, heat-treated pressure plate, and Prolite steel flywheel for durability
• Installation: Direct-fit replacement using OEM crankshaft and clutch bolt patterns
• Performance Benefit: Fast engagement, reliable torque handling, reduced rotational mass, and improved 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.