Longfield™ 27-Spline Birfield
The Longfield™ birfields are made out of 100% chromoly. The Longfield™ birfield housing is made out of forged 4340 chromoly steel. The internals of our Longfield™ birfields are made out of 4340 chromoly steel and then dual heat-treated for superior strength.
Specifications:
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
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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