Each. M18x1.5 thread. Zinc plated. Used to plug oxygen sensor ports in the exhaust when the sensors are not being used.
1947 (47), 1948 (48), 1949 (49), 1950 (50), 1951 (51), 1952 (52), 1953 (53), 1954 (54), 1955 (55), 1956 (56), 1957 (57), 1958 (58), 1959 (59), 1960 (60), 1961 (61), 1962 (62), 1963 (63), 1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)1979-2004 MUSTANG
1967-1981 CAMARO
1964-1987 CHEVELLE
1967-1981 FIREBIRD
1962-1979 NOVA
1964-1972 TEMPEST GTO, TEMPEST, LEMANS
1947-1998 CHEVY TRUCK
1964-1988 CUTLASS
1964-1972 SKYLARK
1960-1976 MOPAR
1979-1986 CAPRI
1948-1973 FORD
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.