Nitro Gear & Axle AAM 9.25-Inch Front Axle Reverse High Pinion Ring and Pinion Gear Kit; 4.88 Gear Ratio (07-19 Sierra 3500 HD)Find parts that fit my vehicle

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.

Nitro Gear & Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro, we know differentials and know what it takes to provide you with high quality components.

Warranty. 2 Years

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