When you order a Moser Muscle Pak, you get more than the OEM engineers could have ever imagined.

Here's why!

A stock rearend in a fourth-gen f-body is not known to live long when put to track use.

So we installed a Moser MusclePak 9-inch in our Formula.

If you're looking to narrow the rear in your hot rod, you might want to check this first.

We get insight from the professionals at Moser Engineering.

We show you how to beef up your fourth-gen F-body's rearend with an S60 from Strange Engineering.

Project Corn Star gets a beefy new rearend courtesy of Strange Engineering.

Limited-slip differentials otherwise called posi rears, are a must for any muscle car. But, do you know which one is right for your ride?

We found a trio of cool cruisers that deliver fun at every turn. Find about more about these three exceptionally cool hot rods.

The Chevy 10-bolt rearend has really gained in popularity since the 12-bolt has become unobtainium.

Find out how to ID that swap-meet find.