HP Copper Spark Plug - 0526-4 oil-dipsticks 3 V6 1990 Chevrolet P30

3 V6 1990 Chevrolet P30 Base 262/4

These modular LS valve covers feature an OE height

The 351W manifold is available to work with 105MM GM LS throttle bodies

Fabricated aluminum construction designed to mount on our existing Hi-Ram manifold bases

4L V8 1979 - 1995 GMC K3500 454/7

HP Copper Spark Plug - 0526-4 oil-dipsticks 3 V6 1990 Chevrolet P30Overview: 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