Durasyn 164X polyalphaolefin is a fully synthesized distilled and hydrogenated hydrocarbon base fluid produced from specific linear proprietary alphaolefin feed stocks. Its engineered physical and performance properties are designed to enhance the performance of fully formulated lubricants operating under continuous low, high or wide temperature range conditions. Durasyn 164 is a synthetic lubricant that is based on a polyalphaolefin (PAO) base oil. It is a high performance lubricant that is recommended for use in a wide range of applications, including bearing, gears, compressors and hydraulic systems.