HR Aluminum Gearbox Case Set

Regular price $54.99

Shipping calculated at checkout. See Shipping Policy for shipping times.

Hot Racing aluminum gearbox case with HD output bearing for the front or rear of the vehicle. This gearbox case is ideal for 1/8 Scale, ARRMA BLX vehicles.



  • Kraton:AR106005, AR106015, AR106018, AR106029/31, ARA106040T1/2
  • LimitLess ARA109011
  • Notorious: AR106034/6 (black/blue), ARA106044T1/2
  • Outcast: AR106021, AR106027, AR106032/3, ARA106042T1/2
  • Senton: AR106007, AR102654, AR102673
  • Talion: AR106003, AR106014, AR106030 (2018 V3 model), ARA106048 (V4)
  • Typhon: AR106001, AR106013, AR106028, ARA106046

*This part will not work with the Felony or Infraction



  • Stronger and and stiffer assembly
  • Upgrades the stock 5x11x4mm unsealed outer pinion bearing with an oversized 5x13x4mm sealed bearing for a stiffer and stronger drive train
  • CNC machined aluminum construction
  • Anodized black with machine chamfered edges
  • Direct fit hop up requires no modification for use



  • Part# HRAAON12E01
  • Material: CNC Machined Aluminum
  • Bearing Size: 5x13x4mm
  • Fit: Front or Rear



(1) HR Aluminum Gearbox Case
(1) 5x13x4mm Rubber-Sealed Ball Bearing
(1) Hardware Set



  • Replaces factory lower gearbox case from ARRMA AR310427 or AR310854
  • Requires all other parts besides the lower gearbox case, including the stock 8x19x6mm inner pinion bearing
  • Manufacturer recommends using medium (blue) thread-lock on screws



Sold Out