These IMS Unit Bearing Cups are specifically designed to seamlessly integrate 05+ Super duty unit bearings into your straight axle construction. By incorporating these cups and unit bearings, you can bypass the conventional spindle and hub arrangements, opening the door for the utilization of 40 spline axle shafts in your setup.

Cups come in 3.5” and 4.0” bores. Additional sizes can be made upon request.