Crankcase Dowel, for use on BSA models: C15, B40, A7, A10, A50, A65, B31, B32, B33, B34, B25, C25, B44, B50, C10, C11, C10L, C11G, C12, M20, M21 & M33. Triumph models: TR25W
O.E.M: 66-3074 / 70-8010 / E8010
​​​​​​​Supplied: Singles