Cowl Induction Hood Scoop by Unlimited Products, featuring dimensions of 40"L x 6"H x 28"W. Made in the USA. For drag racers & street racers. 6" Cowl Height 21" Cowl Width, 28" 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 40 inches in length, 6 inches in height, and 28 inches in Cowl width. Constructed from high-quality fiberglass.