Viper 3/4" Black 6-Spring 2-Disc Clutch - Driverless for 4-Cycle Kart EnginesViper 3 4" 6 Spring 2 Disc Clutch in Black Upgrade your kart's drivetrain with the Viper Two Disk Six Spring Clutch, designed for reliable engagement and power transfer. This driverless model features a striking black anodized lever support and a robust black anodized non vented drum, ensuring durability under racing conditions. Specifically engineered to fit 3 4" shaft four cycle engines, it delivers smooth operation without the driver component.