This is a soft (freeze) plug set. For a complete set you'll also need expansion plug as our part # 838127. For 1937 1938 1939 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars and Trucks

This is the expansion plug for the block at the rear of camshaft It measures 1-31/32 inches. For 1938 1939 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars and Trucks

This is the expansion plug for the block at the rear of camshaft It measures 1-5/8 inch. For 1938 1939 1940 1941 1942 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars and Trucks