JEGS fiberglass Z28 cowl hood scoops are hand laid in a precision manufactured mold for a super smooth and wave free appearance. Will not separate from heat like other, so called, laminated scoops. Designed with a generous flange for strength leaving material to trim for molding onto (into) your steel or glass hood. Black gel coat finish minimizes prep time prior to painting. Includes detailed installation instructions. Measurements listed below are nominal overall dimensions.