The GPM MAKX1239TS differential gear set is produced from 20CrInTiH steel to upgrade an ARRMA Kraton 8S driveline. The set features a spiral cut 39T main gear and a 12T spiral input gear to improve torque sharing and transmission efficiency. Hardened and blackened finishes increase wear resistance so the vehicle keeps a steady delivery of power during acceleration and when tackling hills.
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