ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3/16 in to 3/8 in (depending on the specific spark plug) to gain critical...

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...

The Edge Evolution CTS3 is the most advanced flash tuner and digital monitor available for GM gas applications, delivering proven performance and control for Silverado, Sierra, Tahoe, Suburban, and Yukon...