Nitro Gear & Axle GPWJZJ44-4.56 96-98 Jeep Grand Cherokee ZJ 99-04 WJ W/ Dana 30 Short/Dana 44HD Rear 4.56 Ratio Front/Rear Gear Package Kit Nitro Gear and Axle

Description

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 have 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 RPMs below the optimal power band Regearing 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 drivetrain This is especially important for todays 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 is a common misconception that gear changes are Reversed only to hardcore offroaders or trucks with huge tires However regearing is one of the single most beneficial modifications you can make to keep the performance economy and durability of your dailydriven 4×4 This is a mod for anyone with larger tires increased weight or for increased performance on stock vehicles for towing or increased acceleration We at Nitro Gear and 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 4×4 applications One part number One price One click away The kits assembled by Nitro Gear and Axle only use the highest quality bearings available from Timken and Koyo Nitro Gear and Axle does not use any cheap Chinese bearings By using only Timken and Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable durable and quiet for years to come
Details

• 19961998 Jeep Grand Cherokee ZJ 19992004 WJ with Dana 30 Short Front and Dana 44HD Rear 456 Ratio Nitro Gear Package Kit
• Front Differential Dana 30S Short
• Rear Differential Dana 44HD 44A
• Gear Ratio 456
• Manufacturer Nitro Gear and Axle
• Warranty 2 Years
• Sold As A Kit

Nitro Ring and Pinion Features

• Manufactured in South Korea
• 8620 Steel Gear Forgings
• Precision Machining
• CNC Triplelapping
• Heat Treatment
• Rockwell Hardness Tested

Gear Package Includes

• Nitro front ring and pinion
• Nitro front Master Install Kit Includes Timken and Koyo Bearings
• Nitro rear ring and pinion
• Nitro rear Master Install Kit Includes Timken and Koyo Bearings

Tech Notes

• If your Jeep has OEM 307 or 354 gears a new front carrier is required NCD304COM
• Carrier Sold Separately
• Kit uses GM1234726 crush sleeve and YOKD44JK131024 yoke included

Fits Vehicles

• 1996598 Jeep Grand Chereokee ZJ Double Check 1996 Models
• 19992004 Jeep Grand Cherokee WJ
• With Dana 30 Short Front and Dana 44HD Rear Aluminum Housing

Specifications