Holiday Notice: Orders placed after 2pm this Friday 21st will not be dispatched until after the Christmas Holidays
Valve Shims for Adjusting Valves or Tappets. Motorcycle & Scooter Valve Shims are used when adjusting camshaft valve clearance. Use your service manual to learn of how often valves should be checked and on how to add Valve Shims to correct loose or noisy tappets. Your service manual will also advise you on the correct size of shims to use in your engine.