Our Sea-Doo Heavy-duty Sponson Back Plates directly replace individual OEM plastic inserts that are prone to failure in extreme conditions. One-piece, stainless steel construction reinforces hull across entire length of sponsons. Integrated, precision-machined threaded mounting points are designed to accept RIVA sponsons RS26190 as well as other aftermarket sponsons and OEM Sea-Doo sponsons (see applications below). A must for any competition and extreme rough water conditions!
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