Longfield 30 Spline Birfield Axle Kit (Pick up/4runner)

$420.03

Longfield™ 30-Spline 4340 Chromoly Axle & Birfield Kit

The new 30 spline axlekit is a perfect match for your next budget build.  This kit offers anincrease in strength over stock axles (76% Stronger) without breaking the bank.Reminder:  This kit comes with a 12 month warranty against breakageand 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.

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 then dual heat-treated for superior strength
  • The axle shafts are also made out of 4340 chromoly steel

Application Data

  • 1979-1985 Toyota Pickup (All Engines)
  • 1984-1985 Toyota 4Runner (All Engines)
  • Toyota Solid Front Axle Housing
  • Rock Assault™ Front Axle Housing

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