the peterbilts have there own frame you can use the ford ltl or any of the italeri western stars.and so on..if you are buildind the a&n resin frieghtliner trans kit the western star works perfect
gw trucks has the hood 2 ways and 2 styles of day cab panels for the 378 kit..the hood comes with grille and hinges.day cab panel comes with the air ride parts.