MCS-519208 - Used to correct alignment of the sprocket shaft belt pulley; also works with early or custom ''solid'' style motor sprockets. Incl. .020" (.508mm) .030" (0.762mm); .050" (1.275mm); .075" (1.905mm) and ;100" (2.504mm) shims.

Fitment:
55-06 4/5-sp B.T. with primary belt drive (NU)