According to Chris Hugest those sponsons are already available from Pro Watercraftracing which is based in Lake Havasu City, AZ. at the retail price of $365.00 USD for the SX-R, S4 and SuperJet versions. Also, there is a Waveblaster edition that costs $425.00 USD. Each kit includes 8 stainless steel screws for each side and a tube of silicone. Chris will advise you about the installation details. Orders can be placed by clicking http://prowatercraftracing.com
