TH400 Parts

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.

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.

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

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

Looking to replace a turn signal switch in your street rod, rat rod or muscle car? Kevin explains the install process in his 1954 Belair, which you can apply to your own build.

Here's another in our ongoing series featuring our customers' cars and projects. Chris's Willys coupe is the gasser that he's always wanted, and it's a knockout.

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

Myles has had this Monte Carlo for a long time, and it's now like a member of the family!

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...