You can discover the oil additives you need for your 1982-2000 Chevy/GMC 6.2L/6.5L Diesel, whether you need zinc break-in, stiction eliminating, stabilizing, or performance Oil Additives. Engine-specific products and general-purpose products are offered. These additives safeguard and clean surfaces inside the engine while assisting the recovery of power and compression. At XDP, you can find premium brands of additives like Lucas Oil, Hot Shot's Secret, Rev-X, XDP, and Hamilton Cams.