V-Twin Synthetic Oil - 20W-50 - 1 U.S. quart Specially formulated, high performance, triple synthetic motorcycle oil with ester, Engineered to handle and protect against high temperatures found in big air-cooled Twins, Molecular polar bonding technology enables oil to cling to metal parts, providing a protective film to help reduce wear at start-up, Exceeds requirements for Twins with separate clutches and primary cases found on Harley-Davidson® models, Designed to provide outstanding grip on wet clutches to prevent slippage, High levels of ZDDP extreme pressure additives combined with anti-oxidant and anti-foam properties make it suitable for integrated transmissions used by the US and metric twins, Made to be compatible with mineral and most synthetic motorcycle oils as well as being safe for catalytic converters and O2 sensors, for use in H-D Milwaukee 8®, Twin-Cam®, Evolution®, Sportster® engines and primary case