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Toyota Land Cruiser 70 Series 1999-2006 Nitro HD 4340 Chromoly Front Birfield Axle Kit
Land Cruiser 40 55 & 70 Series HD Nitro 4340 Chromoly Birfield Kit With Axles

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Price: $1,368.40

Product Code: AXTBIRF-HZJ79KIT

Description Vehicle Applications Warranty Information

1999-2006 Toyota Land Cruiser 70 Series
Nitro HD 4340 Chromoly Front Birfield Axle Kit

HZJ78, HZJ79, HZJ76, HZJ71, HZJ74, HZJ78, HZJ79
FZJ70, FZJ71, FZJ74, FZJ78, FZJ79
HDJ78, HDJ79

Differential: Toyota 8" Reverse
Axle Splines: 30/*24/30
*(stays 24 spline at the inside of CV
as it is similar diameter to 30 spline,
and keeps it compatible with OE)
Material: 4340 Chromoly Steel
Manufacturer: Nitro Gear & Axle
Warranty: Lifetime*

Tech Note:
If needed: Birfield Repair Kit AXREBCVJ

Kit Includes:
Birfield Joints X2
Inner Axles X1
Inner Axle X1

Nitro 70 Series Heavy Duty Chromoly Birfield 30/30 Kits are designed to offer a significant increase in strength over the OEM CV joints, yet remain compatible with OEM components and at fraction of the cost. This kit is a complete solution to upgrade from your worn OEM CV joints and axles. A great addition if you've fitted larger tires, added accessories and use your Land Cruiser off-road. Because they are specially formulated for strength these joints are able to withstand increased shock loading, they join won't outlast standard replacement joints, but they will outlast the competition's chromoly birfield joints due to the harder bearings and cage which provide more wear resistance.

These HD axles boast high-strength chromoly material featuring State of the art machining, heat-treating and polishing processes for uniformity and increased strength. Fully compatible with factory or aftermarket carriers and lockers.

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

Nitro Gear & Axle strives to provide the highest quality differential & axle components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro, we know differentials and know what it takes to provide you with high quality components.


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

  • NITRO 30/30 Kits feature axles that have 30 Splines at both ends, eliminating the factory neck-down.
  • Fully compatible with factory or aftermarket carriers, lockers, & locking hubs.
  • High strength Chromoly Material featuring State of the art machining, heat-treating and polishing processes for uniformity and ultimate strength.

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