Spec Clutch SF50ET-2 Super Twin E-Trim Multiplate Clutch Kit

The SPEC SF50ET-2 Super Twin E-Trim Multiplate Clutch Kit is an engineered twin-disc performance clutch system designed for high-output street and track applications. Built to handle extreme power levels between 700 and 1,500 ft-lbs of torque, this kit delivers race-proven clamping force without sacrificing the drivability expected on the street.

Key Features:

• Designed for 700–1,500 ft-lbs of torque — ideal for high-horsepower builds
• Near-stock drivability with smooth, quiet engagement for daily and street use
• All-billet construction using aircraft-grade aluminum and high-carbon billet steel
• Machined to an industry-leading .001-inch tolerance for perfect balance and precise actuation
• Dampened, full-faced carbon graphite friction discs for consistent performance and long service life
• Available friction disc options: organic, fiber, and full metallic
• No shimming or setup required — true bolt-in installation
• Maintenance-free operation with long life expectancy
• Fully rebuildable by SPEC or the end user; replacement components and rebuild services are always available
• Includes flywheel and track-spec hardware in every kit

Intended Driving Applications:

• Street & daily driving
• Drag racing
• Drift
• Road racing
• Time attack
• Pulling
• Rallye

The SPEC Super Twin E-Trim is a premium solution for enthusiasts and competitors demanding maximum torque capacity with reliable, long-term performance. Its billet construction and precision machining make it one of the most robust and rebuildable twin-disc clutch systems available for extreme-power applications.