Does anyone know who or where I can get centerlink ball joints, or someone who rebuilds them? Seems everyone is selling the 6 cylinder one but it looks different? I just assume keep my original and replace the worn joints if possible. thanks.

Rare parts sells them and rebuilds them. https://shop.rareparts.com/smtp/shopdisplaycategories.asp?iyear=1969&imake=0045|PONTIAC&imodel=1135|FIREBIRD&iproduct=0049|STEERING, GEAR, PUMP & COMPONENTS

http://rareparts.com/
They are the only ones I know of that have the correct center links

Thanks for the tip. I called them, same price if I buy one rebuilt or I send them mine for repair.

I fell into the trap somehow that TRW JTY216 was a direct replacement. The center-to-center measurements of the end balljoints lined up with the original, but the holes for the tie rod attachments were about 2" inward on each side. I just ordered the rare parts 26569 from AutoZone with a 20% off coupon. They do have one of the higher core charges on it at $100, but once all is factored in, including tax and the returned core, it'll be about $230.

Rare Parts P/N 26965 is the number for the center drag link at auto zone.

Thanks for the info. I was hoping I could just press in new ends with a shop a friend of mine owns if I could find the ends. Seems such a waste to replace the bar itself since it's just fine. Oh well I guess I'll bite the bullet and have to do this.