Mercury Zephyr Auto Trans Control Units

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

How to replace sway bars in a Mercury Comet and the advantages that come with it.

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.

Have a 1970-1994 GM A- or X-body in need of some new lower control arms? Take a look at what Speedway Motors' employee Steve L. has to say about our lower control arms!

In this Tech Tip, John responds to a customer question about tubular control arms.

Looking for a cost effective way to upgrade the front of your car? This article shows the steps to replace upper and lower stock control arms with tubular control arms for added suspension strength.

Save some weight by swapping in some upgraded control arms! Employee Steve L. reviews the 1970-81 Camaro Upper Control Arm.

Learn how replace lower and upper rear control arms. Read up on racer Steve's A-body control arm replacement and the bushings included kit he recommends.

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

Exlpoded View of the Bert 1300 Late Model Racing Transmission