Big Twin Mainshaft Assembly - V-Twin 17-0653

Big Twin mainshaft assembly.

Mainshaft assembly includes a 4-speed transmission 12-1/2 inch long mainshaft mainshaft bearing lock tab 4-speed transmission bearing housing main bearing transmission mainshaft bearing nut mainshaft 1st-2nd cluster gear stock 24 tooth 3rd gear mainshaft 3rd gear retaining ring mainshaft 3rd gear thrust washer.063 and assembled.

Fitment: