This kit provides replacement internal differential gears for TRAXXAS Revo series cars. The components are specified as hard steel to handle the loads from aggressive driving and to offer predictable wear characteristics for routine use and tuning.
Fit and service: the gears are sized to fit existing differential housings without changing geometry. Confirm Revo versus Revo3.3 compatibility before installation and inspect shims and bearings for wear so you can set correct backlash and preload with the new parts.
Assembly notes: standard diff teardown and rebuild steps apply. Remove the differential from the gearbox, keep track of thrust washers and shims, and use the lubrication practice you normally run in your diffs. Rotate and check differential action after assembly before applying full throttle.
Tuning considerations: upgrading to hard steel gears improves resistance to deformation and wear under higher torque or abrasive environments. These internal gears do not modify gear ratios, so tuning effects are limited to longevity and durability.
Use this set when replacing worn internal diff gears or when a tougher gear material is preferred, and always confirm internal clearances and lubrication during rebuilds.
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