Red Line Heavy ShockProof Gear Oil - 5 Gallon Pail HASZ19DK 1977-1979 Cadillac DeVille

1977-1979 Cadillac DeVille

1996-2019 GMC Savana 2500 Standard Passenger Van

weld-on u-joint

1963-1973 Dodge Polara

GM COPO Replacement

Red Line Heavy ShockProof Gear Oil - 5 Gallon Pail HASZ19DK 1977-1979 Cadillac DeVilleThese products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as friction modifiers for proper limited slip operation About Red Line Gear Oil for Differentials: Fully synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions High viscosity index (VI) to provide relatively constant viscosity and film thickness with varying temperature