1960-62 with 27 rear axle use 2

All 1953-65 Studebaker cars with model 44 rear end tapered axles

1949-55 Trucks models 10-12

Early M16-17 trucks with 2 speed rear axle see notes

1937-40 K KM Series 20 trucks

10 spline All 1953-58 Champions 1959-60 cars with model 23 RA

1951-52 Commanders

10 spline All 1951-52 Champions

All 1947-50 Commander with 23 or 27 rear axle

All 1947-50 Champions

1941-42 Commander President

1940 Commander President