Spec Clutch SB60SST-2 Super Twin SS-Trim Clutch and Flywheel Kit

The Spec Clutch SB60SST-2 Super Twin SS-Trim Clutch and Flywheel Kit is a high-performance twin-disc clutch system engineered for street and track use in vehicles producing extreme horsepower and torque — rated to handle 700–1,500 ft-lbs of torque. Designed for drivers who demand race-level holding power without sacrificing everyday drivability, the Super Twin delivers near-stock engagement feel, outstanding longevity, and a true bolt-in installation with no shimming or setup required.

Key Features:

• Handles 700–1,500 ft-lbs of torque — purpose-built for heavily modified and forced-induction builds
• All-billet construction using aircraft-grade aluminum and high-carbon billet steel, machined to an industry-leading .001-inch tolerance for perfect balance and actuation
• Friction provided by dampened, full-faced carbon graphite discs for smooth, consistent engagement
• Available friction material options: organic, fiber, and full metallic
• Steel flywheel and track-spec hardware included in every kit
• Maintenance-free operation — no periodic adjustments needed
• Fully rebuildable by SPEC or the end user; replacement components and rebuild services always available
• SFI-approved construction

Supported Driving Disciplines:

• Street
• Drag Racing
• Drifting
• Road Racing
• Time Attack
• Pulling
• Rallye

The SS-Trim configuration includes a billet steel flywheel, which delivers preferred rotational inertia and notably quiet operation — producing little to no gear noise over stock even in this high-performance twin-disc format. Whether you're building a dedicated track car or a high-horsepower street machine, the Spec SB60SST-2 provides the drivetrain reliability to match your power output.