GMC C15 700R4 Chassis and Suspension 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!

In Episode 3 of our C10 build, we install a front suspension kit and finally have a rolling chassis!

Caster and camber are critical adjustments to your car's suspension alignment. It's important to understand what caster and camber are as well as how they can affect your car's performance.

Learn how Derek Turner's '55 Chevy gets completely overhauled with brand new chassis and suspension components along with a new fuel system and wiring.

Watch as we install a front suspension lowering kit on our 1968 Chevy C10. Upgrades include disc brakes with a 5 on 5” bolt circle as well as 2” drop springs and 2 ½” drop spindles.

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

It's done! Well, at least for now. Check out the conclusion of our 1968 C10 pickup truck build!

Click to learn about split wishbone, hairpin radius rod, and four bar suspensions. Learn the history and difference between these solid axle suspension designs.