THE RC7 WING WAS DESIGN TO RESEMBLE THE CORVETTE C7 BUT MADE FROM CNC CUT AND BENT ALUMINUM. IT BOLTS UP TO THE BACK OF THE TAILGATE VIA 6 RIVET NUTS THAT YOU WILL NEED TO DRILL AND INSTALL (DRILL BIT AND QUICK TOOL PROVIDED!). THE LEXAN SCREWS ON TO THE BACK AND IS ADJUSTABLE UP TO AN ADDITIONAL 1/2" OF HEIGHT ADJUSTMENT!