SYNAVEX™ Full Synthetic 75W-90 LS Gear Oil is a full synthetic heavy duty extreme pressure multi-grade gear oils manufactured with the highest quality synthetic base oil. SYNAVEX™ Full Synthetic 75W-90 LS Gear Oil, through the combination of naturally high viscosity index (low pour) synthetic base oils and up-to-date additive technology, are more economical than oils of lesser quality and lower initial cost. Using SYNAVEX™ Full Synthetic 75W-90 LS Gear Oil may allow longer drain intervals, extended equipment life, and a significant reduction in maintenance cost and downtime.