Hot Racing - Aluminum Differential Locker (Spool), for Arrma Kraton Outcast Tires Wheels Inserts Sedan Made from a one piece

Made from a one piece block of aircraft grade aluminum

+6mm hub extensions (each side) increase stability over terrain

LiFe cells can be stored in a fully charged state with little to no loss in stored power

the M4's superb reliability

Hot Racing - Aluminum Differential Locker (Spool), for Arrma Kraton Outcast Tires Wheels Inserts Sedan Made from a one pieceHot Racing aluminum differential spool (locker) hub for the 1 8 Arrma Kraton BLX, Notorious BLX, Outcast BLX, Senton BLX, Talion BLX, and Typhon BLX. Fits the front, center, or rear differential. This part is recommended for off road use only. Features: CNC machined solid aluminum, anodized red Cross drilled to reduce rotating mass and increase acceleration Allows for better acceleration and climbing Replaces differential spider and side gears (Arrma