Thar 2020 Under Body Protection Engineered to perfection after much study, thought process and years of experience. The introduction of the NACA ducts into our homemade under body protection has not just added to the aesthetics but is an actual integral working component that enhances the much required protection & cooling Comes in the latest swanky matt black edition! Call us or email for your orders to info@arkamotorsports.com Specifications of the UBP: 1. Aircraft grade 6000 series of aluminium alloy. It is a medium to high strength heat-treatable material with improved corrosion resistance and medium fatigue strength. Typical applications include the manufacture of high speed motor boats, aircraft structures, ship building. 2. Our NACA ducts were designed and tested for maximum air flow with minimal drag. An integral flange makes them easy to rivet to under body panel or bond to composite panels with epoxy.