Motul V-Twin Primary Chaincase & Gear Synthetic OilV Twin Primary & Chaincase Synthetic Oil 1 U. S. quart Exceptionally high performance primary drive oil formulated with 100% triple synthetic oil with ESTER Molecular polar bonding technology and boosted extreme pressure additives enables the oil to cling to metal parts under extreme conditions Features a protective film that increases lubricity, reduces wear, and extends the life of gears, bearings, chains and sprockets Engineered for Big Twin Harley