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 tru... For 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Trucks

This is a ring and pinion installation kit for truck. gaskets, seals and bearings. For 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 Chevrolet Trucks

This is a ring and pinion installation kit for truck. gaskets, seals and bearings. For 1951 1952 1953 1954 Chevrolet Trucks

Set of 6 For 1937 1938 1939 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Cars and Trucks

This is a pinion seal for a 40 COE, 41-42 1-1/2 ton truck larger (except 1/2 ton truck and 40-55 2-speed). For 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 Chevrolet Trucks

This is a ring and pinion conversion 3.55:1 gear ratio. Bolt in for 1940-54 (1937-39 requires drive line modification). For 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars

This is a ring and pinion installation kit for car. Includes gaskets, seals and bearings. For 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 Chevrolet Cars

This is a ring and pinion installation kit for car. Includes the gaskets, seals and bearings. For 1951 1952 1953 1954 Chevrolet Cars