Hot Racing Speed Run Center differential spool (locker) hub, for the 1/8 Arrma Kraton BLX, Outcast BLX, Senton BLX, Talion BLX, and Typhon BLX. Fits the center, differential. For use with Traxxas Revo spur gear.
CNC machined solid 6061-T6 aluminum 3 point star cut to reduce rotating mass and increase acceleration Allows for best speed run acceleration and speed Fits only center differential
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