DRP's new design makes installation even simpler. Only one hole to drill in the tank means less chances for a leak. Our sump sealing ring also has more surface area than the competitors, so you have a more positive sealing surface. Features, Kit Comes with: Billet Sump, 1 Piece Internal Billet Ring, Square O-Ring for a LEAK FREE seal, Stainless Hardware, Barbed Fitting for fuel line.