ECX Linkage Plastic Set: (6): 1:10 4wd All Made by ECX Electrix; ECX Electrix is a United States based company; parts are sourced from China producers ECX Electrix part number 234005; UPC 605482117101 This item works with: ECX 1:10 4WD Circuit Stadium, 1:10 4WD Ruckus Monster, 1:10 4WD Torment Short Course