Prox Clutch Spring Kit Yz125 `02-04 + Yfm660r Raptor `01-05

ProX Heavy Duty clutch springs are approximately 10% harder than the original springs and reduce clutch disc slippage during heavy use. They guarantee complete clutch closure without parasitic slippage. These premium springs provide a high level of feel and durability. Heavy Duty springs feature: Made from the most resistant materials Pre-loaded, tumbled and heat treated to exceed the performance and durability of the original springs Sold in complete kits for each application Full range for all off-road and quad models The best replacement part and best choice for professional riders.