Precision 378 Super Strength U-Joints
Part #: 378
List Price: $29.28
Our Price: $18.74
You Save: $10.54
Spicer 1310-WJ 4wd Wheel inside snap ring, u-joint fits 70-71 GM with all four cups with a OD of 1.063-1.064, The distance from the inside edge of lock ring groove on one bearing across the joint to the same point on the opposite bearing with both seals removed, then add the thickness of your lock rings, 2.188" or 2-3/16"
This is the wheel / axle joint out by the front tires