Prox Clutch Spring Kit Yz400f `98-99 + Wr400f `98-00

ProX Heavy Duty clutch springs are approx. 10% harder than original springs and reduce clutch plate 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 are characterised by: Made from the toughest materials Pre-loaded, tumbled, heat-treated to exceed the performance and durability of the original springs Sold as a complete application kit Complete range for all off-road and quad models The best replacement and best choice for the professional rider.