Hot Racing Traxxas Revo EZ Adjust Aluminum 3 Shoe Flywheel Kit TRX100AC306 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 TRX100AC306; UPC 083745434521 This item works with: Traxxas Jato 2.5 and Jato 3.3, Nitro Rustler, Revo 3.3 5309, T-Maxx 3.3 4909