Cowl Induction Hood Scoop by Unlimited Products, featuring dimensions of 38"L x 4 ½"H x 24½"W. Made in the USA. For drag racers & street racers. 4 ½" Cowl Height 24½" Cowl Width, 29" Total Width including Flanges. Fiberglassing assembly required for fiberglass hoods. Can be bolted to a metal hood. View Images for more measurements. Introducing the Cowl Induction Hood Scoop by Unlimited Products. Crafted in the USA, this hood scoop has a dimension of 38 inches in length, 4½ inches in height, and 24½ inches in Cowl width. Constructed from high-quality fiberglass.