Or, slider-links. They are shown in the Summit and Jegs catalogues. My buddy has them on his '67 Camaro. Just about invisible. They are the modern evolution of the old slapper bars. But, the old slapper bars are period correct!
Ponchoshop: Good point. Hence my initial confusion. I sent my full detailed info to TCI for evaluation. I went with their reccomendation...which was in line with a most others. What is your set-up?
I'm a hobbyist. Not a professional. Don't be hatin'!