Eiffel Presti Supreme XHP 10W-40 SP is formulated with highly refined synthetic base stocks and advanced technology additive system to provide extra high level of engine protection and performance. It is suitable for higher mileage gasoline and diesel-powered modern automobiles requiring an API SP, SN Plus & SN specification, where very high viscosity index oils are preferred to provide much longer oil drain intervals & fuel efficiency in modern engines. It provides maximum protection in the latest engine designs operating under severe conditions and protects against the potential for pre-ignition (LSPI) in these engines, including high-performance turbo-charged gasoline direct injection (TGDI) and non TGDI designs, supercharged gasoline and certain diesel multi-valve fuel injected systems.