6 Degree x 2.5" Wide Shim, (DM5906) When you're driving down the

When you're driving down the trail and smack a rock with your tire

1-1/4"-12 left hand thread tube insert for 1-1/2" ID tubing (specifications below)

U-joint size:  1310

You can also measure the shaft's major diameter

No extra work

6 Degree x 2.5" Wide Shim, (DM5906) When you're driving down theYou've selected the 6 degree axle shim These shims are sold individually! You'll need two for a rear axle, or three (yes 3) for a Dodge or Chevy Dana 60 front axle. These axles require one on each side of the leaf spring for the perch housing because there's two studs instead of a U bolt. The shim on the other side goes the opposite direction, keeps the studs perpendicular to the spring plate, and allows the nuts and washers to sit flat. A rear axle