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Boost the durability of your Baja 5B with this Alloy Differential Case Set! This is the differential case set that comes stock in the SS kit, but can also be used as a replacement/upgrade for the RTR version.
Designed for longevity and reduced maintenance requirements, this set features a full alloy metal enclosure for the rear diff of your Baja. O-rings are used to seal the diff and prevent fluid loss, and the unit allows you to fully rebuild the diff internals when needed. This is the ideal upgrade for Baja owners who race or really thrash their cars! HPI Part # 85427.
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