Specially formulated, high performance, 100% 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, makes it suitable for integrated transmissions used by USA 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 Recommended for use in H-D Milwaukee 8, Twin-Cam, Evolution, Sportster engines and primary case Excellent for use in Indian, Honda, Kawasaki, Suzuki, Yamaha, BMW, and Ducati twin engines with an integrated transmission