Oil pump kit for 1948-'53 HD® big twins include an oil pump assembly, drive shaft and pinion shaft drive gears, breather gear, and shim kit are offered primarily for scratch built applications where the builder is usually starting out with aftermarket crankcases and needs all of these parts. These kits may also be applied to older engines where a complete overhaul requiring all new parts is to be performed.
*Requires 1973-'77 breather gear. **Uses a 28 lb pop-off spring to lower oil pressure at high RPM.
§ Universal cover with top and bottom oil feeds.