The SB11-XTG4 ACT Extreme Race Sprung 4 Pad Clutch Kit is engineered for high-performance drivers seeking aggressive engagement with controlled driveline response. It features an Xtreme pressure plate with ACT’s exclusive diaphragm design for increased clamp load, reduced deflection, and extended clutch life. The 4-pad spring-centered race disc provides torsional damping to reduce shock and vibration, ensuring smoother operation while handling high-power applications. Its compact 4-pad design is ideal for smaller engines and smaller clutch diameters, delivering faster shifts and reliable performance under extreme conditions.

Specs

• Torque Capacity: 681 ft/lbs (121% over OE)
• Disc Material: Ceramic
• Clutch Disc Diameter: 9.4 in / 240 mm
• Input Shaft Diameter: 1 in
• Pressure Plate Type: Xtreme
• Flywheel Type: Streetlite
• Product Weight: 28.5 lbs

Performance Characteristics

• Feel: Moderate to heavy pedal effort, aggressive engagement, OE to mild gear rattle
• Life: Moderate friction life, extended by ACT’s exclusive diaphragm design
• Quality: Precisely engineered and balanced, using premium ceramic friction materials for high heat tolerance and performance
• Recommended Use: High horsepower street or race use
• ACT Difference: 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability