Castrol R4 Superbike Synthetic Oil

Castrol R4 Superbike is an advanced, fully synthetic 4 stroke engine oil that increases engine horsepower and acceleration throughout and up to maximum RPM. It releases additional engine horsepower and acceleration through the use of a unique anti-friction, low viscosty formulation which reduces drag for faster gear changing. R4 is the choice o many of the World Superbike Race Teams. Comes in 5W40, 1 liter bottle.

NOTE: THIS OIL HAS BEEN REPLACED BY  POWER RS RACING 4T 5W40 IN A GOLD BOTTLE.