Nitro Gear & Axle 30/24(big)/30 Spline Front Chromoly Birfield Axle Kit

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Toyota Land Cruiser 80 Series Nitro HD Chromoly Birfield & Axle Kit

Kit includes:

Birfield Joints x2

Right Hand Inner axles x1

Left Hand Inner Axle x1

Tech Note:

*1991-1994 Models require the stronger: TOY43421-60040 1995-1997 type drive flanges.

*Will work with manual hubs, but may require trimming end.

*Dual snap-ring grooves for drive flange or manual hubs.

*Fits both ABS and Non-ABS vehicles.

Birfield Repair Kit AXREBCVJ.

Nitro 80 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 & 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.

Supercedes: AXTBIRF-FJ80KIT


  • Harder bearings and cage than competing brands.
  • Lifetime Warranty*.
  • Fits ABS & Non-ABS Models.
  • Dual snap-ring grooves for drive flange or manual hubs.
  • Compatible with OEM and aftermarket carriers & lockers.


Model: 80 Series: FJ, FZJ, HDJ & HZJ

Outer Splines: 30

CV Splines: BIG 24

*(stays 24 spline at the inside of CV

as it is similar diameter to 30 spline,

and keeps it compatible with OE)

Inner Splines: 30

Material: 4340 Chromoly

Manufacturer: Nitro Gear & Axle

Warranty: Lifetime*


1991-1997 Toyota Land Cruiser 80 Series FZJ80, HDJ80, HDJ81, HZJ80

1991-2007 Toyota Burbuja & Autana (Venezuela built 80 Series Landcruiser)

1998-2007 Toyota Land Cruiser 105 Series FZJ105, HZJ105


*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: 40 lb

Box Dimensions: 1 x 1 x 1 in

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