Longfield 30 Spline Birfield/Axle Kit (FJ40)

Rating:
% of 100
$778.99
40 In Stock
SKU
303402-1-KIT

Longfield™ FJ40 30-Spline 4340 Chromoly Axle & Birfield Kit

The new 30 spline axlekit is a perfect match for your next budget build.  This kit offers an increase in strength over stock axles (76% Stronger) without breaking the bank.Reminder:  This kit comes with a 12 month warranty against breakage and the 30 spline birfields are single heat treated.

With larger tires and more horsepower being used on the trails these days, upgrades to your axle are more critical than ever.  In a Toyota, one of the common failures are the stock 27-spline birfields and axles.  The solution to this problem is our Longfield™ 30-Spline 4340 Chromoly Axle and Birfield Kit.  These birfields and axles will get you to wherever you need to go and give you confidence and peace of mind to run any trail.

The Longfield™ birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers.  The Longfield™ birfield housing is made out of forged 4340 chromoly steel. The axle shafts are also made out of 4340 chromoly steel. The internals of our Longfield™ birfields are made out of 4340 chromoly steel and heat-treated for superior strength.

NOTE:

  • For FJ40 vehicles made on 9/1975 or earlier, you will need to perform a full knuckle swap with solid axle Pickup knuckles in order to use this kit. We recommend using our FJ40 Knuckle Swap kit (see Related Items below).
  • For FJ40 vehicles made from 10/1975 to 1/1979, you will need solid axle Pickup hubs & locking hubs in order to use this kit. We recommend using our Solid Axle Hubs & Aisin locking hubs (see Related Items).

If you have any questions or concerns, please contact the Sales department prior to ordering.

⚠ WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Axle Shaft Dimensions

  • Birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers
  • Birfield housing is made out of forged 4340 chromoly steel
  • Internals of our Longfield™ birfields are made out of 4340 chromoly steel and heat-treated for superior strength
  • The axle shafts are also made out of 4340 chromoly steel
P/N Description Length
301704-1-KIT Short Side Shaft 17-1/8"
301705-1-KIT Long Side Shaft 28-15/16"

NOTE:

  • For FJ40 vehicles made on 9/1975 or earlier, you will need to perform a full knuckle swap with solid axle Pickup knuckles in order to use this kit. We recommend using our FJ40 Knuckle Swap kit (see Related Items below).
  • For FJ40 vehicles made from 10/1975 to 1/1979, you will need solid axle Pickup hubs & locking hubs in order to use this kit. We recommend using our Solid Axle Hubs & Aisin locking hubs (see Related Items).

If you have any questions or concerns, please contact the Sales department prior to ordering.


TOYOTA FJ40
(1960-1983)


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Please read and review our return and warranty requirement document before sending in products.

Warranty Exclusions


Trail-Gear Inc. warranty does not cover, and Trail-Gear Inc. shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Trail-Gear products, except where such agreements are within the provisions of this Warranty.

Specifically excluded from this warranty are failures caused by lack of maintenance, misuse, negligence, modification, abuse, improper application, crash damage, installation or operation, or failures caused by unauthorized service or use of unauthorized parts.

Additionally excluded from this warranty are parts which are subject to normal wear and tear, such as bushings, fluids, hoses, gaskets, belts, etc. Products not manufactured by Trail-Gear Inc. are excluded from any warranty and shall be handled with the original manufacturer.

All parts used in a competitive racing environment are excluded from this warranty. If, after inspection, a part returned, under any warranty, is deemed to be ineligible for warranty repair or replacement, the part may be repaired or replaced for a discounted cost. Return shipping charges will apply. Any part for which a warranty replacement is sought must be returned to Trail-Gear Inc. before any replacement items can be shipped. All replacement parts shipped before the suspect part has been received and evaluated by Trail-Gear, MUST BE PAID IN FULL. In such a case, after the suspect part has been received and approved for a warranty replacement, the purchase price for the replacement will be refunded.

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    Ship all products to:
    ATTN: WARRANTY
    5356 E. Pine Avenue
    Fresno, Ca 93727.
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  • Please include a short note stating the problem you are experiencing.

If any of the above mentioned policy is not met, the package will be refused or warranty claim denied. By completing the steps above, this will ensure faster processing of your claim so that Trail-Gear can get your product back to you as quickly as possible. All warranties are generally processed within 2-3 business days of Trail-Gear receiving the parts from you. Additional delays may be incurred if product needs additional testing or repairing.

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