Kit includes all products necessary to complete an oil change on your H-D motorcycle (engine, transmission and primary oil) plus oil filter, Quick Change Evo-Sportster Mineral 20W-50 Oil Kit contains the following: 4 quarts of Maxima V-Twin Mineral 20W-50 Engine Oil, 1 ProFilter Wrench Removal Premium Oil Filter, and 1 drain plug o-ring, The 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 anti-wear and extreme pressure additives to protect critical engine components