Give the engine in your 2003-2010 Chevy/GMC Kodiak/TopKick 6.6L Duramax the stabilizing, stiction eliminating, performance, or zinc break-in Oil Additives it needs. Increase the life of your engine oil by reducing heat and friction. Restores lost compression and horsepower while cleaning and protecting components within the engine. Top lubricant producers including Hamilton Cams, Lucas Oil, XDP, Rev-X, and Hot Shot's Secret are offered by XDP.