The GPM RUS055 front lower arm set is a precision engineered alloy replacement for the Traxxas 1/10 Rustler VXL, intended to increase suspension robustness and reduce flex during heavy use. These arms are manufactured to raise front end durability and improve handling consistency for serious hobbyists and racers. This GPM RUS055 set is not designed for use on the Traxxas Rustler 4X4 VXL.