HP Copper Spark Plug - 0736-4 chokes 4 V8 1975 - 1986

4 V8 1975 - 1986 Chevrolet C20 454/7

Exclusive CFD computer modeled air entry area delivers maximum velocity and accelerated air speed

the local auto parts store

7 V8 2008 - 2010 Ford F-550 Super Duty 391/6

1 V6 1978 - 1981 Pontiac LeMans 231/3

HP Copper Spark Plug - 0736-4 chokes 4 V8 1975 - 1986Overview: 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