NOT AVAILABLE. SRM high delivery oil pump for BSA and Triumph unit singles, suitable for models B25 B44 WD B40 , C25 TR25 years 1966 to 1970, will replace part numbers 71.1134 41.0801 41.1134 and 70.8090 , fits using standard studs, comes with a body to crankcase gasket, and will take standard BSA worm gear and nut.
Please note does not fit B50.
