Red Line MT-85 75W85 GL-4 Manual Transmission Lubricant (Pack of 4) Less slippery low sulfur formula compatible with brass synchronizers Stable at high temperatures in performance applications Also available as lighter viscosity MTL and heavier MT-90 Satisfies gear oil viscosity requirements of 75W; 80W; 85W; SAE 30 5W30 motor oil Popular in Nissan; Mitsubishi; Hyundai and Kia