Seat Swivels for Chevy Astro/GMC Safari (1995-2005)

We had to drill out the runners to use the swivel. We thought the 4 bolt pattern would be simple but was not as the seat would sit way too high if we just took the seat out and attached the swivel. After 3 1/2 hours we finally got it in and it works fine. It was a pain to put in