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4.88 Ratio, Nitro Ring & Pinion (Includes Yoke & Bolts)
for Dana 44HD

Dana 44HD Ring & Pinion

Price: $389.24

Product Code: D44HD-488-NG

Description Vehicle Applications Warranty Information

4.88 Nitro Thick Ring & Pinion
for Dana 44HD

Differential: Dana Model 44HD
Gear Ratio: 4.88
Tooth Count: 39/8
Pinion Splines: 29
Ring Gear Bolts: Double-Drilled, 10
Manufacturer: Nitro Gear & Axle
Warranty: 2 Years

Tech Note:
Double-drilled ring gear with 1/2" and 7/16" holes.
Includes 29 spline pinion yoke and ring gear bolts.
Requires drilling out larger holes in carrier to fit ring gear bolts.

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 and Axle Premium Differential Ring and Pinion Gears, Axles and parts


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to: www.P65Warnings.ca.gov

  • 2 Year Warranty*

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