ACT Heavy Duty Performance Street Disc Clutch 2004-2021 STI / 2007-2009 Legacy GT Spec B Without Flywheel

Sale Price: $833.00 Original Price: $1,028.00

The SB10-HDSS kit pairs ACT’s Heavy Duty pressure plate with their Performance Street disc for reliable street and light race performance. The diaphragm-style pressure plate increases clamp load, reduces deflection, and maximizes clutch life. The premium organic disc with high copper content and steel-backed lining provides superior heat transfer, durability, and burst strength. Reduced marcel design allows quicker shifts, while the Monoloc one-piece collar ensures proper alignment and improves release mechanism life. Quiet operation, increased reliability, and long-lasting performance make this kit ideal for high-performance street use.

Specs

  • Torque Capacity: 522 ft/lbs (45% over OE)

  • Disc Material: Organic

  • Disc Diameter: 9.4 in / 240 mm

  • Input Shaft Diameter: 1 in

  • Pressure Plate Type: Heavy Duty

  • Product Weight: 18.2 lbs

Performance Characteristics

  • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle, confident during hard shifts

  • Life: Extended friction life with significant improvement to release mechanism longevity

  • Quality: Precisely assembled, balanced, with premium organic friction materials for heat tolerance and reduced fade

  • Recommended Use: Street and race use

  • ACT Difference: 100% clamp load tested, dynamically balanced, includes ACT’s patented Monoloc

The SB10-HDSS kit pairs ACT’s Heavy Duty pressure plate with their Performance Street disc for reliable street and light race performance. The diaphragm-style pressure plate increases clamp load, reduces deflection, and maximizes clutch life. The premium organic disc with high copper content and steel-backed lining provides superior heat transfer, durability, and burst strength. Reduced marcel design allows quicker shifts, while the Monoloc one-piece collar ensures proper alignment and improves release mechanism life. Quiet operation, increased reliability, and long-lasting performance make this kit ideal for high-performance street use.

Specs

  • Torque Capacity: 522 ft/lbs (45% over OE)

  • Disc Material: Organic

  • Disc Diameter: 9.4 in / 240 mm

  • Input Shaft Diameter: 1 in

  • Pressure Plate Type: Heavy Duty

  • Product Weight: 18.2 lbs

Performance Characteristics

  • Feel: Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle, confident during hard shifts

  • Life: Extended friction life with significant improvement to release mechanism longevity

  • Quality: Precisely assembled, balanced, with premium organic friction materials for heat tolerance and reduced fade

  • Recommended Use: Street and race use

  • ACT Difference: 100% clamp load tested, dynamically balanced, includes ACT’s patented Monoloc