Ring And Pinion Conversion, 3.55:1. Chevrolet And GMC 1/2 Ton Truck Only

This is a ring and pinion conversion 3.55:1 gear ratio. Fits 1/2 ton Chevy and GMC truck only. Bolt in for 1940-53 (1937-39 requires drive line modification). 1954 1/2 ton truck needs the correct carrier to install this conversion (spool casting #3652336--40-53, 1/2 ton trucks).

• Will not fit Canadian spec pickup

This part fits most 1940 1941 1942 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Trucks; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.