1-5/16"-12 thread

poorly made oil pump

it will form a rubber-like elastic body

The original part number is 57-1570

no longer giving a secure fit with the tapered pin

#8305 CAD Complete Stock Hardware Kit - 1940-1948 Harley-Davidson 74 & 80 Cast Iron Head - CAD Plated Subcategory_Tachometers 1-5/16"-12 threadComplete stock hardware kit for Harley Davidson 74 & 80 Side Valve with cast iron heads 1940 1948, CAD plated. Each kit contains all the stock motor nuts, bolts, washers and studs for your motor. The kit includes primary cover screws, lifter base screws, circuit breaker screws, case studs and nuts, timing plug, cam cover screws, cylinder base nuts and washers, oil pump nuts and bolts, transmission side cover nuts and washers, transmission top screws,