Motul Twin Primary Chaincase Synthetic Oil Features: 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 bearings, chains, and sprockets Engineered for use in Big Twin Harley-Davidson primary drives with a wet clutch Provides outstanding grip for wet clutches to help revent slippage and chatter