MCS-531303 - .062" thick; with ''ears''. Fits against the crankcase; behind camshaft. This is the locked ''early'' 58-90 model for which a separate thrust washer shim is used to achieve correct camshaft end-play. It is also used in virtually all aftermarket 58-99 sing

Fitment:
58-90 B.T. (OEM CASES); 58-99 B.T. (AFTERMARKET CASES) (EXCL. ALL TC)