Viper 3/4" Big Pin 6-Spring Two-Disk Clutch - Silver Drum & Levers, No Driver

Premium Viper Two-Disk Clutch for 3/4" Shafts

Engineered for reliable performance in kart racing, this Viper two-disk clutch is designed specifically for 3/4" shafts. It delivers smooth engagement and consistent power transfer, making it a go-to choice for competitive setups. The striking silver lever support and drum provide not just a sleek look but also enhanced durability under high-stress conditions.

Key standout features include our heavy-duty FCDC-BPL Big Pin Levers, which ensure precise control and reduced wear. Pre-installed SMCFD8HP linings offer superior friction and heat resistance, while the FCDC-SP85 gold springs—set at .430"—provide optimal tension for versatile tuning. One weight bolt and nut comes pre-installed in the outer hole, with six additional ones included for fine-tuning your clutch weights to match your track needs.

• Silver lever support and drum for corrosion resistance and style
• FCDC-BPL Big Pin Levers for robust, reliable operation
• SMCFD8HP linings factory-installed for immediate use
• FCDC-SP85 gold springs at .430" for balanced engagement
• One weight bolt/nut installed; six extras provided
• Perfect fit for 3/4" shafts—drive sprocket not included (order separately)

This 6-spring configuration allows for adjustable slip points, helping you dial in the perfect response for acceleration and top-end speed. Ideal for drivers seeking a high-quality, ready-to-install drivetrain component without the hassle of basic assembly.

Why Choose This Clutch?

Built with precision components, it minimizes downtime and maximizes consistency lap after lap. The big pin design handles aggressive shifts, while the two-disk setup distributes load evenly for longevity.

Frequently Asked Questions

Does this clutch include a driver? No, the driver is not included. This is the clutch without driver configuration.

What shaft size does it fit? Designed exclusively for 3/4" shafts.

What type of springs are used? FCDC-SP85 gold springs installed at .430".

Are the linings pre-installed? Yes, SMCFD8HP linings are factory-installed.

Is the drive sprocket included? No, drive sprocket must be ordered separately.