8377001 V-Twin synthetic motor oil, 10W50. 1L

For riders who demand the absolute best for their engine, Bel-Ray V-Twin full synthetic 10W50 motor oil is the top-tier choice. This one-liter bottle contains a high-performance formula designed specifically for large-displacement air and oil-cooled V-Twin engines. By minimizing internal friction, it helps maximize power output while offering superior protection during those critical cold starts. The advanced formula meets or exceeds API SN and JASO MA2 specifications, ensuring it stands up to the extreme heat and pressure found in heavy-duty Harley applications. Whether you are touring across the country or navigating city traffic, this synthetic oil provides the thermal stability and wear protection your Big Twin needs to stay healthy for the long haul.