FLYWHEEL RING GEAR -139 TEETH (EXC. POWERGLIDE)

Flywheel Ring Gear. 139 teeth (except powerglide).
ID=13" OD=14"

139 tooth ring gear must be used with 1.140" bendix (54 and earlier starter)
162 tooth ring gear must be used with 0.970 bendix (55 later starter)

This part fits 1937 1938 1939 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars and Trucks