SRM High Delivery Oil pump Pre-unit BSA twins A7/A10 #42-0115

High delivery oil pump. The high precision made internals with close tolerances give a more efficient oil feed and return and also prevents oil bleed past the gears when the bike is standing for long periods of time. Oil pump kit comes with a crankshaft worm drive gear, locking tab washer,locking left hand thread nut, oil pump gasket, fixing bolts and fitting instructions. Rev drive tabs are standard for all the oil pumps. Each oil pump is individually tested for feed and return rates, and bleed test, as part of SRM`s special products quality control. We also recommend to replace the Oil pressure release valve at the same time to ensure your oil system is at its optimum best , our part number SRM-71.2370 Fits all BSA A7 and A10 models up to 1963 Oil pump will fit both standard engines with the main bush, and SRM/Devimead needle roller converted engines with no modifications required. Some inner timing covers may have some "casting flash" ( excess alloy) just above the oil pump from