I'm trying to reinstall the rear sway bar on my 88 IROC 350 after I have installed a Ford 9". I have the Spohn Ford 9" rear sway bar install kit and am having problems deciding what the rear sway bar diameter is. I measured it with a micrometer and it reads .91 or 58/64 inch. Would this be considered a 7/8"? I am trying to locate the rear bushing kits and Energy Suspension shows their specs in millimeters. Is there a code on the console that will help me confirm what sway bar I have? I used a conversion website and it converts .91 inch to 23.114mm. Can I assume that I need a bushing kit for a 23mm sway bar? Thanks for your help.

 

.91" is 23.114mm, so a 23mm swaybar bushing should work just fine.