(1) 1/4"-20 x 1/2" socket head bolt

and the chrome nylock will not work as they are a standard 5/16-18 thread

0123 nut and lockwasher used on 1932-1936 Harley-Davidson VL

You have probably seen pictures in the world of social media

In stock and ready to ship

Top End Engine Gasket Set with Head Gasket Triumph 750cc 1973-1983 T140 Bonneville TR7 Length_.44" (1) 1/4"-20 x 1/2" socketThis top end gasket kit provides all the gaskets and seals you need for your 750 c. c. unit Triumph motorcycle from 1973 1983. Fits all unit 750 Triumph models such as T140, TR7, etc. It includes a new composite head gasket in addition to all the o rings, pushrod tube seals, gaskets and fiber washers necessary when rebuilding your top end.