aFe Power Magnum FLOW Pro DRY S Clamp-On Air Filter Element - Conical - 9 in Base Diameter - 7 in Top Diameter - 7 in Tall - 6 in Flange - Synthetic - White - Universal 21-90038 Pit Mat The relief valve has a

The relief valve has a pressure adjustable screw in plug instead of a cup plug

Advertised Duration 282/282

2009-2012 Chevrolet Express 4500

which is 6-7/8" wide x 3-1/4" high

aFe Power Magnum FLOW Pro DRY S Clamp-On Air Filter Element - Conical - 9 in Base Diameter - 7 in Top Diameter - 7 in Tall - 6 in Flange - Synthetic - White - Universal 21-90038 Pit Mat The relief valve has aComprised of multiple layers of synthetic media, the Pro DRY S offers excellent filtration efficiency and protection for street and light off road driving conditions. Requiring no oils, its our easiest to maintain performance air filter. 99. 2% Filtration Efficiency Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and components. Current product lines include cold air intake