Silkolene Castorene R50S Castor Base 4T Racing Motorcycle Engine Oil 1L

CASTORENE R50S is a blend of castor oil and synthetic esters, specifically designed for dry sump speedway engines. It delivers exceptional protection under high stress, providing superior lubrication for both 2T and 4T engines. R50S offers excellent thermal stability, reducing engine wear and enhancing performance even under extreme conditions. SAE 50. Please note: This product cannot be mixed with conventional mineral oils.