Hot Racing aluminum differential spool (locker) hub for 31mm Differential case use in 1/8 Arrma Kraton BLX, Notorious BLX, Outcast BLX, Senton BLX, Talion BLX, Typhon BLX and 1/7 LimitLess InFraction, Fits the front, center, or rear differential. See vehicle model compatibility in comments below.

- Recommended for off-road low-traction conditions to avoid damage to driveline components
- Replaces differential spider and side gears (Arrma AR310436)
- Known to fit the following Arrma vehicle part numbers. The vehicle part number can be found on Arrma's website, the literature that came with the vehicle, or on the vehicle box around the barcode. If a vehicle is marked below with the word "optional, " then the part may fit, but may require some modification.
- InFraction ARA109001
- Kraton: AR106005, AR106015, AR106018, AR106029/31 (red/green), ARA106040T1/2 (red/blue)
- LimitLess ARA109011
- Notorious: AR106034/6 (black/blue), ARA106044T1/2 (black/blue)
- Outcast: AR106021, AR106027, AR106032/3 (silver/orange), ARA106042T1/2 (silv/org)
- Senton: AR106007, AR102654, AR102673
- Talion: AR106003, AR106014, AR106030 (2018 V3 model), ARA106048 (V4)
- Typhon: AR106001, AR106013, AR106028, ARA106046

Features:

CNC machined solid aluminum, anodized red

Taper Cut to reduce rotating mass and increase acceleration

Allows for better acceleration

Replaces differential spider and side gears (Arrma AR310436)

Only fit 31mm front, center, or rear (there is no center differential in LimitLess)

One (1) aluminum spool for 31mm differential