Part #B-51101 2007-13 Chevy Silverado Bolt-on 3" cowl induction hood features a finished underside. This bolts to the original hinges but the stock hinge spring will need to be removed and a prop rod used (Not Included). Minor trimming may be needed for proper fitment. This part ships via truck freight. A reliable Day Time phone number is required at checkout, so that the freight company can contact you prior to delivery. If you have any questions call 800-822-3392.