Hays Chevy C20 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.

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

Jason Ankerson's 1965 Chevy C10 began its life as his high school beater. Over a decade of transformations, his first-gen C10 has become a modern reliable cruiser.

Josh takes the plunge into making some patch panels for his 50 Chevy pickup truck. See how he begins the installation process to get the truck back on the road.

How to lower a C10 Chevy truck with lowering coil springs and install a front end rebuild kit. Upgrade your broken, rusty, or saggy suspension with our guide.

Whether you are looking to change the look of your truck, get rid of your tired rusty springs, or upgrade the ride quality of your truck, Speedway Motors has you covered with stock height and lowered spring options.

Looking for a driveshaft for your 67-72 C10? Our custom-length driveshaft kits make it a breeze to get the perfect 67-72 C10 driveshaft length. Follow along as we show how to measure and install a C10 one piece driveshaft.

We've come a long way on our '68 C10 project, but we still have a long way to go. Watch as Kevin and Joe discuss where we're at and where we're going.