Swap in the GPM MKV61034S differential for a more resilient front or rear drivetrain on ARRMA KRATON 6S EXB models; it uses 20CRMNTI steel along with 7075 aerospace-grade aluminum alloy for improved component life. The unit is supplied fully assembled with high-speed helical gears 10T and 34T, a 1.3mm module and fits a 29mm differential housing. Note: Differential oil is not included and must be added separately following the ARRMA manual.
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