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Trail-Gear Longfield 30-Spline Gun Drilled Birfield - 301475-1-KIT

TG-301475-1-KIT
Pricing: $231.00
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Description

Longfield™ Gun Drilled 30-Spline Birfield
The Longfield™ 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 arealso 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 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.

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

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

Application Data

1979-1985 Toyota Pickup (All Engines)

1984-1985 Toyota 4Runner (All Engines)

Toyota Solid Front Axle Housing

Rock Assault™ Front Axle Housing

NON-US MODELS: Toyota Land Cruiser II, Bundera, Prado (70 Series Only), LJ70, LJ71, LJ73, LJ74, LJ78, RJ70, RJ73, RJ78, KZJ70, KZJ71, and KZJ77

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