The S&S crankpin nut clearancing gauge is designed to simplify and eliminate clearancing problems that may arise when installing stroker flywheels in stock ‘58-’98 Big Twin crankcases. By painting the bosses to be clearanced and then placing the appropriate gauge on the main bearing race, the crankcases can be marked with a scribe in the proper location for the stroke and style connecting rod crankpin nuts to be used, quickly, and precisely.

Weight 1 lbs

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