Spec Clutch SN35ET Super Twin E-Trim Multi-Disc Clutch Kit

The SPEC SN35ET Super Twin E-Trim Multi-Disc Clutch Kit is engineered for high-output street and track builds demanding extreme torque capacity. Rated to handle between 700 and 1,500 ft-lbs of torque, this twin-disc clutch system delivers serious power handling without sacrificing everyday drivability.

Built entirely from billet materials, the Super Twin features aircraft-grade aluminum and high-carbon billet steel components precision-milled to an industry-leading .001-inch tolerance for optimal balance and actuation. Friction is handled by dampened, full-faced carbon-graphite discs in the E-Trim sintered iron / full-face unsprung hub configuration, providing consistent, confident engagement under extreme conditions.

Key Features:

• Torque capacity: 700–1,500 ft-lbs
• All-billet construction for smooth, quiet operation
• Aircraft-grade aluminum and high-carbon billet steel components
• Precision-milled to .001-inch tolerance for perfect balance
• Dampened, full-faced carbon-graphite friction discs (E-Trim)
• No shimming or setup required — true bolt-in installation
• Fully rebuildable by SPEC or the end user
• Replacement components and rebuild services available
• Rebuildable billet flywheel included
• Track-spec hardware included
• SFI Approved

Intended Use:

• Street, drag racing, drift, road racing, time attack, pulling, and rallye

The SPEC Super Twin offers near-stock drivability with a maintenance-free design, making it one of the most versatile high-torque clutch solutions available for heavily modified performance vehicles.