Spectre Performance 9824 Air Intake Plenum Super low-profile designed allows for tight hood clearance applications Plenum height is 2 tall for maximum clearance between the carburetor and bottom of the hood Check for proper hood clearance before closing your hood -always Designed to fit all carbs and TBI throttle bodies with a 5 1/8 inch inlet Constructed with four (4) dual inlets intended to match up to all Spectre Performance 4-inch tubing, filters and accessories