Modified Powerglide Automatic Transmission Parts

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

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

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!

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Learn how to replace a fuel sending unit. Our fuel gauge sending unit guide and installation video covers all you need to match your fuel sender and gauge.

Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

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.

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!