Crankcase engine plate attachement stud (bolt), assembly, Nortons, 1932 to pre 1946. 2 required per engine mount, Model 1, 16H, 18, 19,20, ES2 Original part numbers. 3025 - crankcase engine plate stud (with nuts complete) 7/16" E5375 - washer x 2 E3238 - nut x 2