BSA Unit Singles Crankshaft Shim Pack - C15 / B40 / B44 / B25 68-0473 M Part number is 70-4947

M Part number is 70-4947 or E4947

Use the drop down menu to select which gasket set you desire based off of your make

Fits Triumph 500 & 650 Pre-Unit (T100

M Part number is 84-27420

Brands featured are Arial

BSA Unit Singles Crankshaft Shim Pack - C15 / B40 / B44 / B25 68-0473 M Part number is 70-4947Shim your crankshaft to obtain the correct end float and also the correct crankshaft alignment. Our shim set that we are offering today are imported and made in England. Included in a kit you will get an assortment of (5) crankshaft shims measuring from . 005" . 030". If you do not shim your crankshaft you may hear excessive engine noise or perhaps your cylinder can wear prematurely from your crank being off center. Shims can be used on all (C15, B40,