Milwaukee Twins Spin-On Oil Filter with Nut for Harley Twin Cam Milwaukee Twins Oil Filters are made to perform. The 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: 5-micron filter provides excellent filtration and superior oil flow Durable steel housing 11/16 nut welded to the top for easy servicing in tight spaces Replaces OEM 63791-99 Available in black or chrome finish