K"s replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K Million-Mile Limited Warranty(TM) and will be THE LAST AIR FILTER YOUR BIKE WILL EVER NEED. Part HD-0800 Product SpecificationsProduct Style: Unique Air FiltersFilter Material: Cotton GauzeFlanges: NoneHeight: 2.125 in (54 mm)Base Outside Diameter: 6.25 in (159 mm)Filter Re-Oiling Amount: 0.37 oz. (11 ml)Inner Wire: NoTop Material/Finish: ZincTop Outside Diameter: 5.5 in (140 mm)Top Style: MetalWeight: 1.5 lb. (0.7 kg)Product Box Length: 6.5 in (165 mm)Product Box Width: 3.63 in (92 mm)Product Box Height: 6.63 in (168 mm)