713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool
713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool

713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool

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  • $119.95
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713-902 Zipper’s 70-99 Evo Shovelhead Big Twin case cam clearancing Relief tool

Zipper’s BT EVO® Cam Clearance Tool

Use this tool to provide clearance for high lift cam lobes in ‘70-’99 single-cam Big Twin engines. This tool will quickly machine precision cuts on the pinion bearing boss of the case. Can be used on the engine case in the frame with a 1/2” drill or in a milling machine with a disassembled engine.