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LOT OF (25) CHAMPION SPARK PLUGS
NOTE: THESE ARE THE OEM LATER 1972-81 MODEL YEAR 14MM TAPERED SEAT PLUGS WITH 5/8\" SOCKET HEAD. HOWEVER, THEY WILL FIT AND WORK IN ALL 1955-71 PONTIAC ENGINES AS WELL. THE TAPERED SEAT WILL SEAL WITHOUT A WASHER.
(16) RV17YC(9) RV15YC
CORRECT PLUGS FOR 1971 PONTIAC TRANS AM FIREBIRD 455HO HIGH OUTPUT, AND 1973-1974 TRANS AM SUPER DUTY 455 ENGINES. ALSO CORRECT FOR ALL 1971-1979 PONTIAC 350, 400, 455 ENGINES IN ALL PONTIAC V8 CARS OF THAT ERA, AND THE LATER 1979-81 265, 301 ENGINES AND 301 TURBO
FIREBIRD FORMULA TRANS AM ESPIRIT LEMAN GTO SPRINT BONNEVILLE CATALINA 1972-1979 TRADITIONAL PONTIAC ENGINES
GAP THEM TO FIT YOUR ENGINE YEAR