Hot Racing Traxxas Maxx 37t/13t Anello Diff Acciaio/Pignone Ingranaggio Anteriore SMXX3713F
Installation following kit manual must replace as a set. - Use Silicone Diff Fluid for Gear Diffs inside. - One (1) 37 tooth diff spiral cut ring gear - One (1) 13 tooth spiral cut pinion gear. Body Accessories.