I'm guessing he's referring to the Currie "Johnny-Joint" style of rod-ends. There's also the Spohn Del-Sphere joints from SC&C. You can make your own link bars by welding the threaded inserts into some DOM and threading in the joints. Lots of options here...but may not be anything bolt-in.
__________________
Jeff: Project "Rolling Mockup" 69 Camaro SS, AFX, TKO600, Baer GT, etc
|