Silkolene 4T Castorene Synthetic R40s Racing Engine Oil

Silkolene 4T Castorene Synthetic R40s Racing Engine Oil (40 wieght)

• A Castor and ester synthetic blend for specialist racing applications
• This blended combination enhances the naturally high film strength of Castor while reducing normal oil thickening and lacquer build-up
• Only R40S can be premixed with methanol fuels
• Castorene oils must not be mixed with other oils
•  Available in liter bottles