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JIMS Stud Blocks

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Category dedicated to JIMS tappet blocks (also known as tappet bases or tappet holders). These components are essential for adjusting the height and angle of the tappets on Harley-Davidson Evolution, Twin Cam and Milwaukee Eight engines.

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About this category

JIMS tappet blocks allow rear tappets to be adapted to different riding styles, from an upright position on Touring bikes to a low style on Dyna and Softail models. Manufactured generally from aluminium or steel, they offer durability and corrosion resistance. Includes universal and model-specific mounts for Sportster, Dyna, Softail, Touring and Big Twin models. Ideal for modifying the rear geometry, improving passenger comfort or the motorcycle’s aesthetics. Compatible with most rear tappets on the market.

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