Longfield FJ40/55/70 30-Spline 4340 Chromoly Axle & Birfield Kit- (303402-1-KIT) (303403-1-KIT) Type:Long Spline

Longfield FJ40/55/70 30-Spline 4340 Chromoly Axle & Birfield Kit- (303402-1-KIT) (303403-1-KIT) Type:Long SplineLongfield FJ40 55 70 30 Spline 4340 Chromoly Axle & Birfield Kit Standard and Long Spline 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. 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

1998-2004 Nissan Frontier 6 cyl (Rear)

-Heat Treated 4140 Chromoly

The heavy duty driveline splines are 42% larger than the old design and the spline section is nylon-coated to prolong many years of use on the trail

(16) Rock Ring Bolts

wiper seal

Birfield housing is made out of forged 4340 chromoly steel

Earlier 1979-1985 trucks used solid (non vented) rotors up front along with smaller calipers

The Longfield™ birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers

The Locking Nut and Washer have been CNC machined from 4130 Chromoly

ensuring correct and positive contact between parts

Seat Bracket Style:Sliding

Components