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...

Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity...

GM Dual connector coils mount directly in place of the factory coils and accept the factory connectors. Spark energy is increased thanks to improved materials and windings that were spec'd...