Spec Clutch SC66ET Super Twin E-Trim Dual Disc Clutch Kit

The SPEC SC66ET Super Twin E-Trim is a high-performance dual disc clutch and flywheel kit engineered for street and track applications with extreme horsepower and torque capabilities. Designed to handle up to 1,500 ft-lbs of torque at the flywheel, this kit delivers exceptional performance for serious automotive enthusiasts and racers.

Advanced Construction and Materials:

• Dual 241mm (9.5-inch) full-faced sintered iron discs with unsprung hubs
• Aircraft-grade billet aluminum and high-carbon billet steel construction
• Precision-milled to industry-leading 0.001-inch tolerances for perfect balance
• Billet steel flywheel with track-spec hardware included
• Dampened full-face disc design for smooth engagement

Performance Features:

• Near-stock drivability with extreme torque capacity
• Bolt-in installation with no shimming or complex setup required
• Maintenance-free operation for hassle-free ownership
• Smooth and quiet operation despite all-billet construction
• Rebuildable design by SPEC or end-user with replacement components always available
• SFI approved for safety and performance standards

Versatile Applications:

Ideal for multiple driving environments including street, drag racing, drifting, road racing, time attack, pulling, and rally. The E-Trim specification features sintered iron disc material optimized for high-torque applications requiring maximum holding power with excellent durability.

Installation Note: A minimum 450-mile break-in period with primarily city driving and frequent stop-and-go situations is required before full-throttle engagement, drag launching, or speed shifting to ensure proper clutch performance and longevity.