Steel Helical Diff Ring/Pinion Inner Panels Only Traxxas fuel is 100%

Only Traxxas fuel is 100% certified for use in Traxxas engines

Please consult your owner’s manual for more information on recommended gearing options for your specific model

Internal bearing for previous-spec X-Maxx axle carriers and steering blocks

6061-T6 aluminum chassis

The center differential is fully assembled and pre-filled

Steel Helical Diff Ring/Pinion Inner Panels Only Traxxas fuel is 100%Steel Helical Diff Ring Pinion: ARRMA Mega, 3S and 4S BLX Vehicles HRAATF9337 Hot Racing steel helical spiral 37T 13T gear set for Arrma 1 10 4WD The 37T 13T gear set is the stock gear ratio. FEATURES: Precision machined helical spiral cut gears offer inherently greater strength and smooth operation than the factory bevel gears. (it has been updated to 15g lighter) High carbon steel construction Stronger than the stock bevel Plastic gears Maintains