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ACT Heavy Duty Race Sprung 4 Pad Clutch 2004-2021 STI / 2007-2009 Legacy GT Spec B

ACT Heavy Duty Race Sprung 4 Pad Clutch 2004-2021 STI / 2007-2009 Legacy GT Spec B

Sold by Subimods.com

$827.00

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About this product

The SB10-HDG4 kit combines ACT’s Heavy Duty pressure plate with a 4-pad spring-centered race disc for high-performance applications. The diaphragm-style pressure plate increases clamp load, reduces deflection, and maximizes clutch life. The 4-pad spring-centered disc damps torsional vibrations for quieter operation and resists failure under harsh conditions. Engagement is harsher, but shifting is faster. The 4-pad spring-centered disc is well-suited for smaller disc sizes and smaller engines. Monoloc provides a one-piece direct replacement or upgrade to the standard two-piece wedge collar and wire ring, ensuring uniform bearing and pressure plate loading for proper alignment and long-term reliability.

Specs

  • Torque Capacity: 668 ft/lbs (88% over OE)
  • Disc Material: Ceramic
  • Disc Diameter: 9.4 in / 240 mm
  • Input Shaft Diameter: 1 in
  • Pressure Plate Type: Heavy Duty
  • Product Weight: 17.2 lbs

Performance Characteristics

  • Feel: Light to moderate pedal effort, aggressive engagement, OE to mild gear rattle, confidence during hard shifts
  • Life: Moderate friction life, extended by ACT’s exclusive diaphragm design, dramatic improvement in release mechanism life
  • Quality: Precisely assembled, accurately balanced, uses ceramic friction materials for high heat tolerance and maximum performance, major improvement in release mechanism
  • Recommended Use: High horsepower street or race use
  • ACT Difference: 100% clamp load tested, dynamically balanced for smooth high RPM reliability, includes ACT’s patented Monoloc

Description supplied by Subimods.com through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.

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Current listing
$827.00
Shop at Subimods.com