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Trail Gear Longfield™ FJ80 Gun Drilled 30-Spline Super Set - 301720-1-KIT

TG-301720-1-KIT
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Description

The Longfield™ FJ80 Gun Drilled 30-Spline Birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers. The internals of the birfield are also made from 4340 chromoly and are dual heat treated for superior strength. The birfield has a M8 grease zerk at the end of the stub shaft and is gun drilled through the center of the birfield to allow for grease to pass through the zerk fitting and into the internals. This will save you precious time by eliminating the need to disassemble your axle just to service your birfields.
The FJ80 Gun Drilled 30-Spline Birfields also have a shallow relief near the splines on the stub shaft known as a Machined Spline Saver. The Machined Spline Saver eliminates stress concentrations caused by grooving from the tool that makes the splines on the stub shaft. The stress concentration from the spline groove is a common failure point on birfield stub shafts. The stub shaft of the Birfield has dual snap ring grooves to accommodate FJ80s with short and long drive flanges.
The axle shafts are also made out of 4340 chromoly steel.
Included in this kit is a set of new FJ80 ABS Tone Rings. This will allow you to install the Longfield™ FJ80 Gun Drilled 30-Spline Super Set on both ABS and Non-ABS FJ80 applications. No other kit on the market can compare.
Note: Included is the FJ80 Extended Dust Caps for 1990-1993 models that use short drive flanges.

Specifications

Specifications
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
Birfield stub shaft has dual snap ring grooves to accommodate FJ80s with short and long drive flanges
Internals of our Longfield™ birfields are made out of 4340 chromoly steel and then dual heat-treated for superior strength
Machined spline saver to eliminate stress concentrations from the spline groove
Gun drilled to create grease passage through the birfield
M8 grease zerk at the end of stub shaft for easy greasing of the birfield
Includes FJ80 ABS Tone Ring
Includes extended drive flange dust caps
The axle shafts are also made out of 4340 chromoly steel

Vehicle Type

Application Data
1990-1997 Toyota Land Cruiser FJ80**
1995-1997 Lexus LX 450
** 1990-1993 models with short drive flanges will need to obtain the taller drive flanges (Toyota P/N 43421-60040) to be able to reuse the OEM grease caps.

Details

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