High Performance Synthetic Motor Engine Oil – OWS Syntholube Ultimate SAE 10W-60 is a fully synthetic PAO-based high-performance engine oil designed for use in high-performance, high-performance turbo racing engines. Tested and proven to deliver exceptional performance with outstanding protection throughout the season. Maximum engine protection even under extreme heat and corrosion conditions. Optimum corrosion protection, low friction, excellent start-up protection and high-precision corrosion protection provided by the unique additive composition.