Knucklehead oil pump assembly is for 1936-1940 EL but accurate for late 1938-1940 EL. Assembly accepts replica oil pressure sending unit.
Oil pump kit includes VTwin #12-1405 oil pump mount screws which are 1/4 longer than the screws included in the supplied Colony Kit. This size screw may be necessary for some installations. *NOTE: Order oil pressure sending unit separately.