Any Howe Precision Ball Joint studs may be interchanged with any complete housing with the same size ball. Currently all Howe Ball joints are made with one of two different ball sizes. You can use the table below select a housing and then find a stud on the previous page with a matching ball size to adapt dissimilar model spindles, a-frames and lengths. We can also build custom ball joints to your specification in sufficient quantities. Call for a quotation on custom ball joints.