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Description, Q&A
Description. 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.Tech Note:Use MKF9.75-E conversion kit with 2000-2010 that will allow fitment of 2011+ type Ring & Pinions(Nitro p/n F9.75-11-***-NG) in 2000-2010 Ford 9.75" rear axles.Use MKF9.75-C master install kit for aftermarket gears on 2011+Use MKF9.75-D master install kit for OEM gears on 2011+
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