GMC Auto Trans Control Units

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

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

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.

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.

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

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.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

These Omega Avant-series gauges from Speedway Motors were inspired by the deco masterpieces in cars like the Lincoln Zephyr and Coffin-nosed Cord. They will look right at home in your 30’s or 40’s street rod, hot rod, or custom.