Replace worn internals with the GPM differential gear set to add robustness to your ARRMA GRANITE. The gears are manufactured from 4140 carbon alloy steel while housings use 7075-T6 aluminium alloy and the spiral cut ring gear smooths power delivery. The 30T large bevel and the 12T front bevel are surface hardened for improved wear resistance under load. The differential arrives fully assembled with bearings and fits in place of factory parts (#ARA311193 + #ARA311182). Differential oil is not included; consult the ARRMA manual for the correct oil specification and fill instructions.
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