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

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: 2.35oz (66.75g)
- Replaces bevel-Plastic gears AR310873. AR310872.
- ARAC4023 you will only use the differ cover plate do not need to use the back plate.
- Requires removal of slipper nut if installed. Remove Slipper Nut. Set desired slipper tension. Remove transmission. Apply a few drops of blue threadlocker down the rear slipper hub opening onto the slipper tension screw. Allow 24hrs to cure. Reinstall transmission.