Essential when rebuilding your engine to ensure that the conrod sits central in the crankcase and that the roller bearing inner cage on the drive side does not have excess play on the crankshaft. These mainshaft shims fit between the drive side main bearing and the flywheel
This is for a single shim in one of the following sizes:
0.030”/0.018”/ 0.012"/0.006"/0.003” (or in metric: 0.5mm/0.3mm/0.2mm/0.1mm/0.05mm) .
Feb 20: All sizes now back in stock