Our JL Performance Nozzle Wedge Kit was designed to improve the top-speed of your craft by 1~2mph. The precision-machined wedge trims up your pump nozzle raising the bow of your craft for less drag substantially improving top speed. It features a unique double-sided lip to retain silicone sealant and prevent cavitation. Made from aluminum construction CNC and washers from marine grade stainless steel. The pump wedge is CNC machined out of a single piece of 6061 Aluminum, finished in a black anodized coating that protects it from salt water and features a double-sided lip to retain silicone sealant and prevent cavitation. It does NOT include 4 marine grade stainless steel bolts to securely fasten in place the piece. We extensively tested our pump wedge to ensure that there are no handling compromises. The pump wedge lifts the bow of your craft reducing drag and substantially improving top-speed. Product made in the USA.