and have a tapered lead on each end to ease installation

These fit Harley-Davidson VL 1930-1936

and bolt the new sissy bar on with the original hardware

swivel stud mounting

1/4 inch BSP Petcock Fuel Valve - Reserve - UK Made For Triumph BSA Norton Thread Size_1-5/16 and have a tapered leadVintage british motorcycles such as Triumph, BSA and Norton use fuel valves with 1 4 inch BSP (British Standard Parallel) threads. These reproduction petcocks are made in the UK and feature all metal internals and a cleanable fuel filter. This replacement petcock will replace the leaky, hard to turn, worn out petcock on your vintage motorcycle and give you trouble free performance. OEM part number is 83 2801, and was found on most Triumph 250, 500,