Hot Racing BJA13X01 Aluminum Quick Change Gear Box Baja 5b 5t Made by Hot Racing; Hot Racing is a United States based company; parts are sourced from Chinese producers All Hot Racing upgrade parts are direct replacements for stock components; additional parts are not required Hot Racing part number BJA13X01; UPC 083745635935 This item works with: HPI Nitro Baja 5B, Baja 5T Truck