K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs. These assemblies come with custom chrome top and base plates and the famous K&N High-Flow Washable Air Filter. - Designed to increase horsepower and acceleration- Show quality with custom chrome top and base- Washable and reusable air filter- High air flow with excellent filtration- One year limited warrantyProduct Specifications:Air Filter Color RedAir Filter Height 3.25 in (83 mm)Air Filter Inside Diameter 6.125 in (156 mm)Air Filter Material Cotton GauzeAir Filter Shape OvalHeight 3.25 in (83 mm)Inlet Diameter 1.97 in (50 mm)Inner Wire NoInside Length 7.072 in (180 mm)Inside Width 4.572 in (116 mm)Mounting Hardware Included YesNeck Flange 1.781 in (45 mm)Outside Length 7 in (178 mm)Outside Width 4.5 in (114 mm)Overall Height 3.5 in (89 mm)