Milwaukee Twins Spin-On Oil Filter For Harley Big Twin and Sportster Evo Milwaukee Twins Oil Filters are made to perform. Premium filter material promotes excellent oil flow while trapping the debris in your oil system that can damage your engine. Calibrated pressure relief valves, thick steel housing and rolled and crimped edges make these motorcycle oil filters an excellent choice when maintaining your ride. Features: Premium filter material Durable steel housing Sold each Replaces OEM 63796-77A / 63806-83 / 63805-80A