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Tech Note:99 & Newer models can use 10.25" ring & pinion as a replacement. When replacing a 10.5" gear set with a 10.25" you must utilize the 10.25 inner pinion bearing, recommend MKF10.25. May require new yoke.
Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford & Toyota. They are precision machined using computer controlled processes, heat treated, CNC triple-lapped and Rockwell tested for hardness. These extra steps ensure excellent fitment, ideal contact pattern and smooth, quiet operation.