Hot Racing Steel Helical Diff Ring/Pinion - BLX 3S 4S ATF9337

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Hot Racing steel helical spiral 37T/13T gear set for Arrma 1/10 4WD
The 37T/13T gear set is the stock gear ratio. 

  • - 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 the stock 37T/13T ratio
  • - One (1) 37 tooth diff spiral cut ring gear
  • - One (1) 13 tooth spiral cut pinion gear
  • - ARAC4023 Composite Diff case Cover Or ATF11A01 Aluminum Diff case Cover.
  • - Installation following kit manual
  • - Medium threadlock (blue threadlocking compound) if screws are threaded into metal
  • - Hot Racing SPL10G05 high temp grease recommended for the diff gear.
  • - Use Silicone Diff Fluid for Gear Diffs inside.
  • - Weight: 32.35oz (66.75g)
  • - Replaces bevel-Plastic gears
  • - ARAC4023 you will only use the differ cover plate do not need to use the back plate.