Direct replace: T-Rex450 X/XL/SE/v2, The Best Trex Tail Conversion Part, ARK X400, CX480, Walkera 35, 36,37,39, 60 & all 450 belt system Ep helis.
Product Discription: State of the Art for the Best of the BEST product for tail control in EP (electric powered) helicopters 400 ~ 450 size. This complete conversion kit is simply amazing in both quality and precision. Besides removing slop and increasing tail control. The part has absolutely no more slop and the design of each individual part was well engineered thus all parts work flawlessly in conjunctions with each other. The part comes pre assembled so installation is a breeze. All parts are locked in place and individually tested so perfection is guaranteed.