That stupid picture did come from moparts. That's where I downloaded it from a long time ago. That said, thank you for letting me know it's not accurate.
But the picture conflicts with the other list, and I happen to know the other list, also from Moparts, is correct. Or at least, every measurement on it that I've been able to check myself is correct, and that actually makes for about half of the rear axles listed. On the flip side, I know for a fact that over half the measurements on that picture are wrong. The most important ones are. The A-body measurement is totally wrong. And so is the B-body measurement, because there are actually 6 different B-body 8 3/4 axle widths. The measurements for the A and B body rear axles are probably the most important for users on this site, so, that picture is worse than useless. Because if you use the dimensions in that picture to say, calculate backspace, well, you'll end up with wheels that don't fit.