This is a improved replacement for the original GM part!

fresh rubber!

1" bore.

This is a new master cylinder kit for the following GM cars:

Buick
1941-55 Buicks (all)
1940 60, 61C, 66C, 40, 41C, 46C
1939 60, 61C, 66C, 40, 41C
1938 60, 40 

Cadillac
1941-55 Cadillac (all)
1940 72 and 62 series

Chevrolet
1936-52 Chevrolet car
1953-59 Corvette
1936-50 Chevrolet, GMC truck C10 or 1/2 ton series using 1"

Oldsmobile
1939-58 Oldsmobile (except power brakes)

Pontiac
1936-57 Pontiac
 

A perfect way to get your classic GM's brakes working perfectly!

Not for cars with power brake system that includes a Bendix Treadle-vac instead of a standard master cylinder. 

 

This is a current production item (no old rubber) which is a improvement over the original. Our kit includes the piston with is not included elsewhere.

 

fits 1938 38 1939 39 1940 40 1941 41 1942 421943 43 1944 44 1945 45 1946 46 1947 47 1948 48 1949 49 1950 50 1951 51 1952 52 195353 1954 54 1955 55 1956 56 1957 57 1958 58