Some have argued that GM's 12-bolt axle has some performance benefits (primarily less frictional loss) compared to the Ford 9-inch, but even so, Chevy guys have been forced to throng to the 9er ...

unless you're caught up in the date-code sadist/masochist cycle. Today's racer/restorer can now order a complete, fully assembled 12-bolt "crate axle" from Moser Engineering that's all-new and ...

While cars and hemlines have changed many times, the GM 12-bolt is still considered the preeminent performance rear axle assembly for GM muscle cars. Moser realized this demand and began building ...

So for all the purists out there, we are going to rebuild a 12-bolt with stronger than stock parts and add a new limited slip differential. The rear end in question is out of a '66 Bel Air that ...