*10.00mm diameter - Includes three valve shims in each size between 1.875 and 3.175mm in .05mm increments. 81 shims in total. (example: 1.875mm, 1.925mm, 1.975mm, 2.025mm, 2.075mm etc) *
ProX Valve shims are made of premium materials. Specified heat-treatment processes ensures the hardness of the shims to offer maximum durability and less wear. ProX shims are precision machined to the exact OEM size specifications. All kits contains 3 shims in different sizes, with a handy plastic storage box with seperate compartments to stop your shims from intermingling.