Summit G9040 Headers??

How well do these headers work in an A body? I noticed they don't seem to have the #5&7 tubes spaced for the drag link like the older style headers, the other choices i found were these. What is the best fit with the best ground clearance?

Dynomax: 85035
Jegs: 30080
Hedman: 78050
Hooker: 5901