Semi-synthetic, ester-fortified 4-stroke engine oil specifically formulated for V-Twin engines. Surface-active esters combine with a shear-stable polymer system to provide excellent film thickness and viscosity stability across all operating temperatures. Advanced, proprietary additive system with industry leading extreme pressure and anti-wear protection keeps your engine running clean, trouble-free and extends the life of the machine. Exceeds the requirements of API SL / JASO MA2.