TH400 Modern Muscle Engine Parts

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

Learn how to install a side detent shifter in a 1969 Chevy C10.

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

A new print and digital magazine about all things street rodding and more, brought to you by some familiar names.

What cars are just so great that they deserve to be carved into the side of a mountain?Here's a list of suggestions from the Speedway Motors staff...

I'm sorry to have to tell you this, but the '64 GTO was not the first muscle car.

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!