Fit this complete front and rear differential to an ARRMA KRATON 8S to gain increased strength from 20CrInTiH steel internals and 7075 aluminium parts. The unit replaces the OEM part #ARA310937 and runs a helical 9T/30T gear set with a 2.0mm module for reliable engagement. Note that differential oil is not included; install your chosen silicone oil, with 100k cSt recommended for good damping.
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