Willys Custom 700R4 Parts

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.

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

Speedway Motors Custom Length Driveshaft Kits make it easy to have a custom made driveshaft that's perfect for your application delivered right to your door!

This or that: stripped down for speed or low and slow in a slick custom?

Follow along as Product Guru Jeff K. talks about customizing a Comet Pedal Car for his son!

In this Tech Tip, John helps to sort out some fresh suspension for a customer’s ’70 Nova.

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

Learn what throttle and kickdown cables do, how to install them, and tips for troubleshooting issues like broken or stuck cables.

Watch this two-part video series to learn how to build custom door panels using a variety of universal car interior upholstery parts from Speedway Motors.

Speedway Motors employee Jess M. talks about customizing the rear radius rods she installed on her '33 5-Window coupe.