Porterbuilt Fabrication on Instagram: "1947-54 Chevy truck modular chassis done and ready to head to its new owner. This is our Level 3 modular chassis and features a few options specific to the 47-54 trucks, including a frame mounted master cylinder and brake pedal assembly, running board mounts and a wider rear frame crossmember. Our modular chassis also differs a bit from our standard chassis package. It utilizes our front and rear Dropmember kits in combination with our middle frame rail sec