Hot Racing DBL1901 Aluminum Spindle Carrier Caster Block Set: Losi Desert Buggy 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 DBL1901; UPC 083745867473 This item works with: losi 1:5 Desert Buggy XL; Losi 1:5 E Desert Buggy XL-E, 1:5 Monster Truck XL