SA Lube's Castrol Power 1 Racing 4T is a fully synthetic engine oil for modern, high-performance 4-stroke sports bikes that increases engine acceleration and power right up to maximum rpm. Castrol Power 1 Racing 4T, using “Race Derived Technology” based on Castrol’s long and successful racing association, flows fast and stays strong, reducing internal engine friction even under the most arduous riding conditions (12 x 1 Litre)