ACCEL - 3.5L V6 engines -Stock heat range - 6-pack 842 in OD - Direct

842 in OD - Direct Oiling - Cadillac / Chevy / Oldsmobile / Pontiac V8 / GM V6 - Set of 16

875 in ID - 8 in Length - 120 lb/in Spring Rate - Steel - Black Powder Coat - Each

Nose - 2-Piece Complete - Plastic - Black - Pontiac Grand Prix 2004 - Kit

600 in Rectangle Center Port - Steel Core Graphite - Small Block Mopar - Each

25 in Long - 1/2 in 12 Point Head - Stainless - Polished - Universal - Set of 5

ACCEL - 3.5L V6 engines -Stock heat range - 6-pack 842 in OD - DirectACCEL 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 high boost