Brand New Black Air Filter Assembly - Low Profile Design - Includes Carb Stud and Wing Nut - Approximately 6 1/2" in diameter and 3-1/4" in Height - Air filter element measures 6-3/8" across -Bottom flange that sets on the carburetor has a 5-1/8" (5.125") diameter hole and is correct for most 4 barrel carbs. Flange is 3/4" tall. - If you're wanting to run on dual quad setup, note that for a half inch gap between the assemblies your openings need to be approx. 7-5/8" apart (center-to-center). Alternatively, you can measure the shortest distance between the dual openings which would need to measure 2-1/2".
