465 LUBRICANTS EXTREME RACING OIL engine oils are formulated with ESTER and PAO (Polyalphaolefin) to provide superior performance for high-performance, modern engines. The ESTER component enhances lubrication by offering excellent film strength, ensuring protection even in extreme temperatures. PAO, a synthetic base oil, delivers outstanding thermal stability and low volatility, reducing oil consumption. These high performance oils contain strong detergent, dispersant and ZDDP anti-wear additives to help protect critical engine parts.