DESCRIPTION --Finned street hood scoop for single or dual 4 barrel carbs with 5 1/8" neck. --Flaps reversible. --Black finish. --Measurement: The front of the scoop is 12 1/2" wide x 4 1/4" tall. The back of the scoop is 7 1/2" wide x 4" tall. The length of the scoop is 20". --Comes with two air cleaners (6 3/8" x 2 1/2" paper element), adjustable base, screen, and mounting hardware. --Package: Including all items in the pictures. Note: Professional Installation is Highly Recommended (No Instruction Included). Your package will be shipped from multiple warehouses.