I have used the RJ stuff a number of times and always been happy with them. FWIW the Vette is a ladder bar car as well and has a traditional adjustable bar and they seem to work ok..1.09 60' on a 29.5x10.5 with and NA SB. We do have wrap around brackets on them

"I am not ashamed to confess I am ignorant of what I do not know."

"It's never wrong to do the right thing"