Works in Yamaha Wolverine RMAX X2 and X4 These are custom machined stainless steel shims.

** Increases low end torque out of your CVT clutch system!

** Lowers take off gearing up to 22%. Better than a machined sheave.

Please see image for install location  

•     3 stainless steel shims total.

•     Kit contains 3 shims; 0.5mm x 3

•     Can be used individual or stacked to create multiple stack heights

•     Each 0.5mm shim is about a 7.5% reduction in gearing. We do not recommend greater than 1.5mm of shim or 22.5% reduction in gearing.

• Each shim reduces maximum vehicle speed by about 2mph

Need a different mix of shims? Message us, we will work with you. We have been tuning clutches for over 48 years!

Thank You for your order! UTVEstore.com