Cowl Induction Hood Scoop by Unlimited Products, featuring dimensions of 52"L x 4 ¾"H x 29"W. Made in the USA. For drag racers & street racers. 46" flange for mounting surface. 4 ¾" Cowl Height 22" Cowl Width 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 with precision in the USA, this hood scoop has a dimension of 52 inches in length, 4 ¾ inches in height, and 29 inches in width. Constructed from high-quality fiberglass.