These 14mm AC spark plugs fit Chevrolet & GMC cars & trucks from 1933-1940 and then were used again from 1949-1962 (for 1941-48 see M8). Works both in the 6 cylinder and V8 engines. The "R" letter on the spark plug means it is a resistor type which is a replacement plug for the original. Replaces AC #44, #45, #46, GM# 1559494. Made in the USA!
This part fits most 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 Chevrolet Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.
This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm.
For more information go to www.P65Warnings.ca.gov