Most sanctioning body rules require that the bottom of the fuel tank be protected from debris with an enclosure such as this one. Easy to install, three pieces. Overall dimensions are 12" long, 6" wide, 3 1/4" tall.
Also available in .040 matte black painted finish. Made from 3105 aluminum which is used because it is suitable for painting. Painted on both sides and covered with a pvc liner for protection during shipping and installation.