I just saw this post and will measure a spare set I have. However, I know when I pressed in the bushings, and made a L spacer to avoid bending them, that both sides weren't equal. Close but not the same. I'll post them anyhow. They didn't look bent and, who knows, given late 60's precision.
69 RS Conv therapy program, Autogear M22, 8-pt cage, with a new 410! SOLD
New therapy program - 68 Coupe. Will be survivor exterior, modern underpinnings! SOLD
67 Belair with perfect floors, pinchwelds and firewall. Hmmm!