ProX Heavy Duty Clutch Spring Kits are approx. 10% stiffer than the OEM spring and will reduce clutch slippage under extreme conditions for maximum control and instant drive. They ensure a positive clutch lockup without slippage.

The premium clutch springs give you a high performance feel and durability.

Heavy Duty Clutch Spring Features:
• Made from the toughest materials available
• Pre-set, shotpeened, heat treated and designed to exceed OEM performance and durability
• Sold in complete kits for each application
• Full range of spring kits for MX and ATV models available from ready stock
• The best replacement and the choice for every professional rider