Hot Racing MFD28LN128 Linear Rate Shock Springs Set (3 sets) - Losi 1/24 Micro 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 MFD28LN128; UPC 083745638585 This item works with: Losi 1:24 Micro 4wd short course