Nitro Gear Front Ring and Pinion Set

Part# GM9.25-411R-NG


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Nitro Gear Front Differential Ring and Pinion Set

Fits 2001-2019 Chevy/GMC  2500HD/3500HD 

Part# GM9.25-XXXR-NG

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. Available in 4.11, 4.30, 4.56, 4.88, 5.13, and 5.38 ratios.

Differential: Fits AAM 9.25" IFS Reverse Rotation

Warranty: 2 Years

Ring Bolts: 12 (not included)

Optional Master Install Kit Includes:

  • Pinion Bearings & Races(2)
  • Carrier Bearings & Races(2)
  • Stub Axle Seals(2)
  • Stub Axle Bearins(2)
  • 2001-2010 Inner Bearing(1), 2011-2019 Inner Bearing(3)
  • 2001-2010 Inner Seal(1), 2011-2019 Inner Seals(2)
  • Pinion Nut(1)
  • Pinion Seal(1)
  • Pinion Shims
  • Carrier Shims
  • Crush Sleeve(1)
  • Ring Gear Bolts(12)
  • Silicone(1)
  • Gasket(1), 2011-2019 only
  • Marking Compound(1)
  • Brush(1)
  • Loctite(1)

The master install kits assembled by Nitro Gear & Axle only use the highest quality bearings available from Timken & Koyo. Nitro Gear & Axle does not use any cheap Chinese bearings. By using only Timken & Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable, durable, & quiet for years to come.