Chromoly Rear Axle Shaft Set (Longfield) Big tires and low crawler gears can lead to broken rear axles. If you are looking to upgrade your drivetrain, check out our heavy-duty chromoly rear axles. These axles feature a break strength of 8,300 ft-lbs...

Longfield 30-Spline Birfield (Solid Axle) The Longfield birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers. The Longfield birfield housing is made out of forged 4340 chromoly...