Norton gearbox top mounting bolt and nut, for upright gearbox (later 1940+), new. This bolt and nut is a larger version than the early bolt and nut. The bolt is 2 9/16 inch long (overall), fits an 11/16in hole and has one flat side on the bolt head. The nut is 1 1/2inches long and the hex is 15/16 inch wide and 13/16in across the flats, 5/8 ID. Original Norton part numbers: 9460; A2/310 - Gearbox suspension bolt and nut includes (A2/311 - Gearbox suspension bolt nut)
