Description Reviews K&N's Universal Air Filter RU-4990 is designed and manufactured for a wide variety of applications. Regardless of the angle, offset diameter of the air intake, there is a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16" (1.5mm) to fit in-between sizes. K&N Universal air filters are available in round, tapered (cone style) and oval designs, for just about any special application. This is a replacement filter for the Craven Speed F-car intake as well as several others. Part RU-1480 Product Specifications: Part Number: knnRU-4990 Air Filter Large End Diameter: 6 in (152 mm) Air Filter Shape: Round Tapered Base Outside Diameter: 6 in (152 mm) Filter Material: Cotton Gauze Filter Re-Oiling Amount: 1.06 oz (31 ml) Flange Angle: 0 degrees Flange Inside Diameter: 3 in (76 mm) Flange Length: 1.75 in (44 mm) Flange Offset: 0 in (0 mm) Flange Type: Centered Flanges: 1 Height: 5.563 in (141 mm) Package Contents: 1 Air Filter Package Quantity: 1 Product Style: Round Tapered Universal Air Filter Top Material/Finish: None Top Outside Diameter: 5 in (127 mm) Top Style: Rubber Weight: 1.3 lb (0.6 kg) Carb/Air Horn Dia. (in.): 3 Material: Rubber Base Shape: Round Tapered Product Box Height: 7.75 in (197 mm) Product Box Length: 6.81 in (173 mm) Product Box Width: 6.81 in (173 mm) Flange Inside Diameter: 3.00 in. (76mm) Flange Length: 1.75 in. (44mm) Height (in.): 5.563 in. (141mm) Need to clean the filter? Use this cleaning kit! ***Please note - this cannot be exported outside of the USA.***