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1996-1998 Jeep Grand Cherokee ZJ & 1999-2004 WJ with Short Front for Dana 30 and Rear for Dana 44HD
Nitro Gear Package, Select Ratio

Jeep Grand Cherokee ZJ & WJ Gear Package Kit

Jeep Grand Cherokee Nitro Gear Package
Price: $854.70

Product Code: GPWJZJ44-SELECT

WJ & ZJ 44HD Rear GP Ratio*:

Nitro Gear Oil:

Description Vehicle Applications Warranty Information

Jeep Grand Cherokee ZJ / WJ
with Dana 30 Short Front & Dana 44 HD Rear
Nitro Front & Rear Gear Package Kit

*1996.5-98 Jeep Grand Chereokee ZJ
(double check 96 models)
1999-2004 Jeep Grand Cherokee WJ

*with Dana 30 Short front & Dana 44HD rear (aluminum housing)

Front Differential: Dana 30 S (Short)
Rear Differential: Dana 44 HD (44A)
Gear Ratio: 4.11, 4.56, 4.88, 5.13
Manufacturer: Nitro Gear & Axle
Warranty: 2 Years**

6 quarts of Nitro Synthetic Plus Gear Lube

Tech Note:
If your Jeep has OEM 3.07 or 3.54 gears a new front carrier is required NC-Dana 30-4-COM Carrier's Sold Separately. Kit uses GM1234726 crush sleeve & YOKDana 44JK-1310-24 yoke, included.

Gear Package Kit Includes:
Nitro front ring & pinion
Nitro front Master Install Kit
Nitro rear ring & pinion
Nitro rear Master Install Kit

Suffering from poor performance and reduced fuel economy resulting from oversized tires?
A Nitro gear change will help get that performance and economy back!

If you've fitted larger tires to your vehicle then you are likely experiencing a loss in performance, fuel economy, and more constant transmission gear “hunting" - This is because the larger tires reduce your engine's RPMs below the optimal power band. Re-gearing the differentials in your vehicle is the only way to get your vehicle back into its optimal operating RPM range, thus improving performance and reducing strain on your vehicle's drivetrain. This is especially important for today's vehicles as they feature tall factory gearing and overdrive transmissions which are less tolerant to increase in tire size or the weight of added accessories.

It's a common misconception that gear changes are reserved only to hardcore off-roaders or trucks with huge tires. However, re-gearing is one of the single most beneficial modifications you can make to keep the performance, economy, and durability of your daily-driven 4x4. This is a mod for anyone with larger tires, increased weight, or for increased performance on stock vehicles for towing or increased acceleration.

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

We at Nitro Gear & Axle realize the difficulty for the average consumer or install shop to compile the list of parts and prices required when doing a gear change. To make it easier for everyone the experts at Nitro are introducing an industry first- “Gear Packages" for many popular 4x4 Fits. One part number. One price. One click away.

The Dana 30 & Dana 44 Trademarks referred to herein is a trademark of Dana Limited. Dana 30 & Dana 44 Trademarks is used for informational purposes only, and there is no connection between Nitro Gear & Axle or JT's Parts & Accessories and Dana .

"Nitro Gear Install"


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*

    Nitro Rings & Pinions:
  • Manufactured in South Korea
  • 8620 Steel Gear Forgings
  • Precision Machining
  • CNC Triple-lapping
  • Heat Treatment
  • Rockwell Hardness Tested

    Nitro Master Install Kits:
  • Koyo

80W-140 Nitro Para-Synthetic Plus Gear Oil, GL5 (12 quart-Case)
Price: $259.88
80W-140 Nitro Para-Synthetic Plus Gear Oil
80W-140 Nitro Para-Synthetic Plus Gear Oil, GL5 (1 Quart)
Price: $21.82
80W-140 Nitro Para-Synthetic Plus Gear Oil

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