6.5" x 2" Air Cleaner Kit ：Shape: Round Diameter (IN): 6 Inch Height (IN): 2 Inch Finish: Plated Color: Black Material: Steel 9" x 2" Air Cleaner Kit ：Shape: Round Diameter (IN): 9 Inch Height (IN): 2 Inch Finish: Plated Color: Black Material: Steel 12" x 2" Air Cleaner Kit ：Base has slight flat. Total height 2.6" .12 by 2 inch tall assembly with Extra flow filter lid Zinc plated 1-1/4 inch flat base for increased hood clearance . 14" x 3" Air Cleaner Kit：Base has slight drop. Total height 3.8".14 by 3 inch tall assembly with Extra flow filter lid Zinc plated 1-1/4 inch drop base for increased hood clearance Application for : 5-1/8 Inch Diameter Carburetor (Performer Series, Thunder Series AVS, FOR Holley, Thermo-Quad, Quadra jet and Carter AFB). Washable Oval/Round Filter Flow Air Cleaner Various sizes 6''x2'' / 9" x 2"/ 12" x 2"/ 14" x 3" FOR 5-1/8" Opening Carbs Air Filter Assembly's are of a high quality finish and feature bright chrome work, come with wing nut, element, and mounting rod. This is a nicely finished unit.Features Anodized Trim, Anodized Base, Black Element Fits carburetors and TBI throttle bodies with 5-1/8" inlet