Nitro Ring & Pinion 5.38 Ratio Thick for Dana 44

Price $267.78
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Thick 5.38 Nitro Ring & Pinion for Dana 44

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.


  • Thick ring gear fits 3.73 & Down carrier. (Dana 44 carrier breaks 3.73-/ 3.91+)
  • Double -drilled ring gear with 3/8" & 7/16" bolt holes.


Differential: Dana Spicer Model 44

Gear Ratio: 5.38T

Tooth Count: 43/8

Pinion Splines: 26

Ring Gear Bolts: 10 (not included)

Manufacturer: Nitro Gear & Axle

Warranty: 2 Years


1967-1980 Chevy/GMC K5 Blazer/Jimmy

1967-1980 Chevy & GMC Suburban 4x4

1967-1980 Chevy & GMC K10 K20 4x4 Pickup

1980-1982 Chevy Corvette with Aluminum Dana 44

1967-2001 Dodge W100 W150 W1500 4x4 Pickup

1967-1997 Dodge W200 W250 W2500 4x4 Pickup (Not Cummins or V10)

1974-1993 Dodge Ramcharger

1974-1981 Plymouth Trailduster

1948-1979 Ford F100 F150 Rearend

1967-1976 Ford F150 4x4 Front Differential

1967-1977 Ford F250 4x4 Front Differential

1972-1977 Ford Bronco

1971-1980 IHC Scout II, Traveler, & Terra

1970-1986 Jeep J10 J20 Pickup

1974-1985 Jeep Wagoneer

1975-1985 Jeep Cherokee FSJ

1986-1992 Jeep Grand Wagoneer

1967-1975 Jeep CJ5

1986 Jeep CJ7

1986-1992 Jeep Comanche MJ Metric Ton

1987-1990 Jeep Cherokee XJ

1997-2006 Jeep Wrangler TJ

2003-2006 Jeep Wrangler Rubicon TJ

2004-2006 Jeep Wrangler Unlimited LJ

2005-2006 Jeep Wrangler Unlimited Rubicon LJ

1965-1968 Sunbeam Tiger

Checker Cab

Checker Limousine

Studebaker Avanti



1961-1975 E-type

1961-1965 Mark X

1963-1968 S-type

1966-1970 420G

1966-1969 420/Daimler Sovereign

1968-1992 XJ6

1968-1992 XJ12

1975-1996 XJS

1986-1994 XJ40


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


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:


Box Weight: 15.5 lb

Box Dimensions: 1 x 1 x 1 in

Shopper Approved Review

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