Full synthetic, ester-fortified 4-stroke engine oil specifically formulated for V-Twin engines. Synthetic, oxidatively-stable formulation combines surface-active esters 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 SN PLUS / JASO MA2. Formulated specifically for V-Twin engine Approved for H-D V-Twin engines, transmissions and primaries Superior protection and oxidative stability at any temperature Excellent clutch feel and clutch protection Shear stable, ester-fortified formula maintains oil viscosity and film thickness Surface-active chemistry aggressively attaches to engine surfaces and keeps them clean Exceeds API SL and JASO MA2 specifications