Racing Gear Oil 75w85 1 Qt Bottle Synthetic

DRIVEN Racing Oil 75W85 Synthetic Gear Oil is a premium-grade lubricant engineered for high-performance racing transmissions and differentials that demand extreme pressure protection and consistent viscosity across wide temperature ranges. This 1-quart bottle delivers the synthetic formulation required for modern racing powertrains operating at the edge of mechanical limits, where conventional mineral oils break down under sustained heat and shock loads.

The 75W85 viscosity grade balances cold-flow properties with high-temperature film strength. The "75W" cold-flow rating ensures reliable gear engagement during engine startup in cooler conditions, while the "85" hot rating maintains protective viscosity under sustained racing loads where gear oil temperatures routinely exceed 200°F. Synthetic base stocks provide superior oxidation stability compared to mineral oils, extending drain intervals and protecting against varnish and sludge accumulation in gearboxes that see repeated high-rpm operation and aggressive downshifting.

This product is formulated for closed-gear systems in racing differentials, limited-slip differentials, and transmission housings where extreme pressure additives and anti-wear compounds prevent gear tooth scoring and bearing wear during competition. Racers, track drivers, and performance enthusiasts operating vehicles with upgraded differentials or heavily loaded drivetrains choose DRIVEN Racing Oil to protect against the gear scuffing and thermal breakdown that occur during sustained spirited driving or road-course events.

Each 1-quart container is sized for top-ups or small-displacement gear systems, making it practical for racers managing inventory across multiple vehicles or for those fine-tuning gear oil levels before competition. Verify compatibility with your vehicle's differential specifications and any manufacturer fill-capacity requirements before use.