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Big Twin camshaft adjustment washers

12 products

Category dedicated to adjustment shims for the camshaft in Harley-Davidson Big Twin engines. These parts are essential for precise rocker arm clearance adjustment, ensuring correct valve timing and optimising engine performance.

About this category

Includes adjustment shims for intake and exhaust camshafts, compatible with classic and modern engine families such as Evolution, Twin Cam and Milwaukee Eight. Select the correct thickness according to manufacturer specifications to maintain mechanical precision and extend the life of the valve train on your Harley-Davidson motorcycles.

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