Spec Clutch SD80SST Super Twin SS-Trim Dual Disc Clutch Kit

The SPEC SD80SST Super Twin SS-Trim Clutch Kit is a high-performance dual-disc clutch and flywheel assembly engineered for street and track use in vehicles producing extreme horsepower and torque — rated for applications generating 700 to 1,500 ft-lbs of torque. Whether you're drag racing, road racing, drifting, or running time attack, this kit delivers the clamping force and durability to handle serious power without sacrificing day-to-day drivability.

Designed for near-stock pedal feel, the Super Twin features a no-shimming, no-setup direct bolt-in installation and is completely maintenance-free in operation. The all-billet construction keeps engagement smooth and quiet, making this twin-disc clutch equally at home on the street and the strip.

Key Features:

• Torque Capacity: 700–1,500 ft-lbs — suitable for extreme high-horsepower builds
• Aircraft-grade aluminum and high-carbon billet steel construction, machined to an industry-leading .001-inch tolerance for perfect balance and actuation
• Dampened, full-faced carbon graphite friction discs for consistent, controlled engagement
• SS-Trim disc material: Carbon composite / Kevlar, full-face style
• Organic, fiber, and full-metallic disc options also available
• Near-stock drivability with no compromise in clamping force
• Rebuildable by SPEC or the end user — replacement components and rebuild services always available
• Flywheel and track-spec hardware included in kit
• SFI Approved clutch kit and flywheel

Intended Use: Street, drag racing, drifting, road racing, time attack, pulling, and rallye.

Each SPEC Super Twin kit is designed, hand-built, and tested in the USA. With the SD80SST, you get a competition-ready twin-disc clutch system with the reliability and rebuild-ability that serious performance drivers demand.