HP LS Gear Oils are formulated to meet the requirements of spin resistant (Limited Slip) differentials.This limited slip differential oil contains a unique friction modifier, as well as an Extreme Pressure additive package, making this fluid suitable for use in hypoid differentials that operating under severe conditions. Available in SAE 90 and SAE 140 grades and both these oils are recommended for refill or top-up of limited slip type differentials and normal hypoid type differentials.