HP Copper Spark Plug - 0736-4 exhaust-system-parts 8L V6 Series I

8L V6 Series I

5 V8 1976 Pontiac Catalina Base 455/7

but with a moderately deep aggressive exterior tone

5 V8 1976 - 1996 Ford E-350 Econoline 460/7

8L V8 1977 - 1979 Ford F-150 351/5

HP Copper Spark Plug - 0736-4 exhaust-system-parts 8L V6 Series IOverview: ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for