Crankshaft Shim, for use on BSA models: B25, C25, A50, A65, B40, B44 & C15.O.E.M: 40-0066Size: 0.010"BSA B25, C25, A50, A65, B40, B44, C15 Crankshaft Shim, 0.010": 40-0066. M40-0066SKU: 40-0066£2.99PriceQuantity*Add to Cart