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  4. BIG TWIN 1955-1969 PINION SHAFT SEAL AND NUT TOOL

BIG TWIN 1955-1969 PINION SHAFT SEAL AND NUT TOOL

1 product

Category dedicated to the specialised tool for fitting and removing the oil seal and drive sprocket axle nut on Harley-Davidson Big Twin engines. This service kit facilitates precise adjustment of the drive sprocket in the primary gearbox, ensuring correct lubrication and preventing oil leaks.

About this category

Compatible with the Big Twin family from 1955 to 1969, including Knucklehead, Panhead and Shovelhead models. The tool allows the oil seal to be removed and fitted without damaging the axle or casing, optimising primary chaincase maintenance. Ideal for workshops and owners seeking precision when adjusting the primary drive sprocket.

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