Chemicals & Fluids › EXP Semi-Synthetic Ester Blend 4T Engine Oil Image 1 of 1 EXP Semi-Synthetic Ester Blend 4T Engine Oil $14.49 Sold Out Synthetic Ester blended with select synthetic and petroleum componentsHigh film strength improves component protectionHigh viscosity index provides stable viscosity over wide temperature rangeImproved oxidation resistanceProlonged wet clutch lifeAPI SN, Registered JASO MA2 Sold Out 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 resistanceProlonged wet clutch lifeAPI SN, Registered JASO MA2