Norton dolls head upright gearbox clutch worm lever and bolt, 1934 to 1945, refurbished (U), Zinc plated with new bolt. NOTE: for worm with 1/2" shaft, Offset: 1/2 inch - measured centre of bolt hole to centre of cable hole, length: 1-3/4 inch - measured from centre of shaft hole to centre of cable hole.Original part numbers:3611 - clutch worm lever9746; A2/378 - clutch worm lever bolt