Toyota 8" 30/30/30 Spline, Nitro Chromoly Birfield Front Axle Upgrade Kit

Price $955.56
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Toyota Land Cruiser II LJ70 & RJ70 and Bundera Nitro HD 4340 Chromoly Front Birfield Axle Kit

Tech Note:

Does not fit US models.

Toyota Trucks & Land Cruisers are well known for their strength & reliability all over the world. Out of the box they feature some pretty great drivetrain, but they do have their limits. The factory axles are 30 Spline at the diff, but neck down to 27 Spline at the birfield creating a failure point. Additionally the factory Birfield joints are not built to withstand the added stress of larger tires and heavy off road use. Nitro Gear & Axle has addressed this by offering a range of Heavy Duty Chromoly Birfield Joints & Axle Shafts.

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.


  • 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, & hubs.
  • High strength Chromoly Material featuring State of the art machining,


Differential: Toyota 9.5"

Axle Splines: 30/30

Material: 4340 Chromoly Steel

Manufacturer: Nitro Gear & Axle

Warranty: Lifetime*


Land Cruiser II, Bundera

70 series Prado

LJ70, LJ71, LJ73, LJ74, LJ78, RJ70, RJ73, RJ78, KZJ70, KZJ71, KZJ77

1990-1998 Land Cruiser 70 Seris PZJ, HZJ, FJ, FZJ 70, 71, 74, 75, 77 with 8" High Pinion front axle and leaf springs.

*Does Not Fit USA Models


*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

Shopper Approved Review

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