This fully synthetic based oil provides higher film strength, improved low-temperature performance, superior wear protection and performance over a wide temperature range. Will not void new vehicle warranty. Specially formulated motor oil designed to protect American V-Twin motorcycle engines Fully synthetic-based oil provides higher film strength Better low-temperature performance Superior wear protection Exceptional performance over a wider range of temperatures Protects against corrosion, sludge and varnish build-up Meets or exceeds all manufacturer's warranty criteria