Shell Rimula RT4 Energised Protection oil uses exclusive combinations of the latest high performance additives to ensure that the oil adapts and protects under the full range of pressures and temperatures found in modern engines - from the high temperatures in the pistons to the extreme loads found in the valve-trains. Featuring extra-active additives to control and sweep away harmful soot and particles found in high performance engines it delivers excellent soot and viscosity control outstanding protection against wear and exceptional versatility - one oil for fleets with multiple engine makes.