Many of the dragster builders have been using a lower X link on the four link for years and years. There are a few variations on the same principle. Also seem to recall someone advertising an X link 4 link lower in the back of National Dragster way way back.

Is R2B2 even around anymore?

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

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