#8000 Street legal Diesel: Must be licensed and driven to pull. Dot tires. Must run stock turbo(s). must run on diesel fuel only , no nitrous, propane, water , methanol, etc. must have sprung suspension. Any added weight to be in box, must run factory injection pump and injectors. Must pull from factory style hitch. Airbags allowed. Aftermarket chips, tuners, intakes and exhaust allowed.