Competition Engineering Rear Coil-Over Springs - 125 lb. 355006 Knowing the exact air/fuel mixture

Knowing the exact air/fuel mixture running through your engine is the most important factor to extracting the highest levels of performance and durability

we make sprays

The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

2000-2006 GMC Yukon XL 2500

Competition Engineering Rear Coil-Over Springs - 125 lb. 355006 Knowing the exact air/fuel mixtureEach spring is computer designed for specific rear end weights to establish the correct ride height and to allow the full range of suspension travel The Chassis People at Competition Engineering have built a solid reputation by designing and manufacturing the finest chassis and suspension components available for both street and strip applications. From performance street machines to professional drag racers, our products are designed to get power