These Corvette Long Sill Plates will replace the original, damaged sill plates on your 1956-1960 Corvette. Stainless steel finish, installation screws are sold separately. known for our quality sill plates. Quoted as the best available, these premium crafted sill plates, fillers and spacers stand up to the reputation. Guaranteed no point loss at your next judged show, these premium stamped sill plates speek for themselves. TrimParts goes one step further by including the correct length and style fasteners with each pair of sill plates and fillers. Why haven't you ordered yours???