Oil pump with gear type slotted drive for NAA/Jubilee

Oil pump with gear type hex drive for 134 cubic inch engines in 500, 600, 700, 800, 900, 601, 801, 901 (yrs. 55-61 gas)

Cast iron oil pump with rotor type hex drive for 172 cubic inch engines in 501, 601, 701, 801, 901, 2000, 4000; (1958/1964)No shaft.