Triumph OEM Part Number is 57-0946

and you get a set of three clutch springs

bikes have a 71 mm bore standard

heat treated tripper bolt

All nuts are 3/8 inch CEI

Harley-Davidson Crankshaft Turning / Rotating Tool - 1954 - 2005 Big Twin Subcategory_Petcocks Triumph OEM Part Number isThis unique tool by Lowbrow Customs allows you to rotate your crankshaft, turning your engine over while it is in the chassis or on the workbench. This engages the splines on the primary (left) side of the crankshaft and can be turned using a 3 4 inch wrench on the hex. A perfect fit on Harley Davidson Big Twins from 1954 through 2005. Steel, cadmium plated. Made in the USA.