Save on fuel cost! Reduce chine walk! Provide superior lateral stability! The exclusive solid one-piece, full plate design of CoBra stabilizing plates mounts from underneath the cavitation plate, eliminating stress or breakage to the lower unit casting. By lowering your motor's planing rpm's, your boat will plane faster than you ever imagined. Constructed of satin-polished, stainless steel. Stainless mounting hardware included. The Voyager Plate is designed to fit Volvo 260, 280, 290, 295 engines. Stainless mounting hardware included | Cobra Voyager Pro Planing And Stabilizing Plate, stainless steel