Includes one gallon of engine oil and a. Pro Filter oil filter in black or chrome. Depending on the year and model motorcycle, synthetic or mineral oil kits are available. Maxima V-Twin 100% synthetic engine oil is an ester based motorcycle oil engineered and approved to be used as a multi-compartment oil for H-D V-Twin engines, transmissions and primaries. Surface-active ester technology lowers operating temperatures, reduces wear, increases film strength and offers extended protection. Maxima V-Twin mineral engine oil is a high-quality, mineral based motorcycle oil specifically formulated for V-Twin engines. An advanced polymer system resists mechanical shearing and heat breakdown of the oil offering unsurpassed viscosity retention. Engineered with industry leading antiwear and extreme pressure additives to protect critical engine components. 4 quarts of Maxima V-Twin 100% mineral 20W-50 engine oil. 1 Pro Filter oil filter: black or chrome. 1 drain plug O-ring. NOTE: Meets or exceeds all.