HP Copper Spark Plug - 578C1-6 brake-line-repair-kit The factory 1 piece line

The factory 1 piece line is nearly impossible to install unless you lift the cab off of the chassis

1967-1969 Plymouth Satellite

0L V8 305 CID With Crank Sensor Port Provision 1996-1999 Chevrolet K1500 5

Designed for an quick and easy installation

2003-2006 Cadillac Escalade EXT

HP Copper Spark Plug - 578C1-6 brake-line-repair-kit The factory 1 piece lineOverview: 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