Trail-Gear Longfield 27 Spline Birfield Axle Kit (Pick up/4runner) - 301699-1-KIT

Longfield™ 27-Spline 4340 Chromoly Super Set
The Longfield™ birfields are made out of 100% chromoly. 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 then dual 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

P/N Description Short Side Long Side
301699-1-KIT Longfield 27-Spline Birfield Axle Kit 15-7/16" 31-7/16"

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