With eight different combinations of viscosity, slipperiness, and OE-recommended additives packages, Red Line offers the widest selection of ATF available Red Line offers the widest selection of fully-synthetic ATF on the market today Each offer improved thermal stability, maintain viscosity levels, and feature lower volatility while providing the required frictional characteristics of each fluid's OEM-style replacement Reduced oxidation and lower volatility at high temperature Allows high-temp operation without varnishing valves and clutches Extended drain intervals Details: Sold as 1 Gallon For heavily-loaded vehicles, allowing operation at up to 70 degrees F higher while maintain thicker viscosity than traditional ATFs Use where Dexron III, Dexron II, Mercon or GL-4 gear oil are recommended Vis at 100 degrees C, CSt 10 Vis at 40 degrees C, CSt 53.9 Viscosity Index 172 Pour Point, degrees C neg 51 Pour Point, degrees F neg 60 Brookfield Vis at neg 40 degrees C, P 175