Here is the Comp Cams info.
I measured my BB link bar's slot as 0.325" tall x 0.69" wide (curved ends of slot).

If you can get other brands info, they could be compared to see if they might work. FWIW, I think the Comp link bars are longer than needed (2.68")

Comp_link_bars.JPG
1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1