This fully assembled front and rear differential for the ARRMA KRATON 8S is manufactured from 20CrInTiH steel with aerospace grade 7075 aluminum components to deliver dependable strength and wear resistance. It is a direct replacement for factory part #ARA310937 and uses a helical gear set 9T/30T with a 2.0mm module for smooth power transfer. Differential oil is not included and must be added separately; we recommend using 100k cSt silicone oil for proper damping.
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