2011 Kawsaki VULCAN 900 CUSTOM Full Synthetic Oil Change Kit **Kits Includes 4 Quarts Of Oil, One Genuine OEM Kawasaki Oil Filter, and One Crush Washer. Prolonged engine life through improved engine cleanliness, reduced oil volatility and enhanced thermal and oxidation stability SUPERIOR shift quality through enhanced transmission / clutch performance and dependability Extra protection & performance in demanding conditions including high RPM, high temperatures and severe cold