Comp Cams 960 INNER (RED) WASH & WHIPS the DRT CMR system is

the DRT CMR system is designed for maximum strength and durability:

Black - unused on blank switches (for backlighting ground)

SLE 2007 - 2010 GMC Sierra 3500 HD WT

see the applications guide below)

Comp Cams 960 INNER (RED) WASH & WHIPS the DRT CMR system isSingle Inner Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today's engine