3 quarts of Phillips 76 80W90 conventional gear oil with bottle of Posi additive (limited slip friction modifier).
Union 76 gear oil is a conventional non-synthetic 80W90 formulation designed for all types of differentials. This kit includes three quarts of oil and a bottle of Yukon Limited Slip Friction modifier that reduces noise and chatter in clutch driven positraction units and limited slip differentials.
