Chemicals & Fluids › V-Twin Semi-Synthetic Engine Oil Image 1 of 1 V-Twin Semi-Synthetic Engine Oil $249.95 Synthetic Ester blended with select synthetic and petroleum componentsHigh film strength improves component protectionHigh Viscosity Index provides stable viscosity over wide temperature rangeImproved oxidation resistanceAPI SN, Registered JASO MA2 Quantity: Purchase Added! Synthetic Ester blended with select synthetic and petroleum componentsHigh film strength improves component protectionHigh Viscosity Index provides stable viscosity over wide temperature rangeImproved oxidation resistanceAPI SN, Registered JASO MA2