Replace smog plugs in your Ford 302 or 351 that may have been damaged during head cleaning process with these smog plugs. Goodson smog plugs feature 5/8" x 11 threaded outside and 7/16" x 14 threaded inside.
Replace smog plugs in your Ford 302 or 351 that may have been damaged during head cleaning process with these smog plugs. Goodson smog plugs feature 5/8" x 11 threaded outside and 7/16" x 14 threaded inside.