ACT SB10-XTR4 Clutch Kit

The ACT SB10-XTR4 is designed for drivers who demand high performance and reliability from their clutch system. This kit features an Xtreme pressure plate that utilizes an exclusive diaphragm design to enhance clamp load, minimize deflection, and extend clutch lifespan. Each diaphragm undergoes a rigorous four-stage heat treatment process, ensuring superior performance under extreme conditions.

Key Features

• Pressure plate with precision cover stampings for improved rigidity and consistency.
• 4-pad rigid race discs constructed from high-quality ceramic friction materials for enhanced heat tolerance.
• Chrome-moly hub that is heat-treated for added strength and durability.
• Lightweight, rigid design facilitates quicker shifts while maintaining smooth operation.
• Monoloc one-piece design replaces standard two-piece wedge collars, providing uniform loading on the bearing and pressure plate.

Installation Notes

For detailed installation instructions, refer to the installation guide.

Specifications

• Clutch Disc Diameter: 9.4 in (240 mm)
• Disc Material: Ceramic
• Input Spline Quantity: 24
• Input Shaft Diameter: 1 in
• Torque Capacity: 766 ft/lbs (1.15x over OE)
• Product Weight: 15.9 lbs
• Includes ACT Monoloc and alignment tool
• Release Bearing Included: Yes
• Pilot Bearing Included: Yes

Performance Characteristics

• Moderate to heavy pedal effort with aggressive engagement.
• Increased gear rattle but enhanced confidence during hard shifts.
• Engineered for race use, offering a significant improvement in the release mechanism life.
• 100% clamp load tested and dynamically balanced for reliable high RPM performance.

Fitment

The SB10-XTR4 is compatible with the following models:

• Subaru Impreza (2004-2014)
• Subaru Legacy (2007-2009)
• Subaru STI (2004-2021)
• Subaru WRX (2013-2022)