Dowel 3/4 icnh x 1/4 inch; crankcase to timing cover twins , shown in parts book but not numbered), 4 required per machine twin. Also fits Commando Mk3 Primary chaincase. chaincase spigot piece singles 1961+ and dowel fo r spigot piece stator housing Length: 3/4 inch; Diam: 1/4 inch Original part number: 11790; 067621 - dowel for timing case
