1982 GMC K3500 Rat Rod Engine Parts

In this Tech Tip, a returning customer asks for advice on building a front suspension kit for his Model A rat rod.

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

Look up "hot rod" in the dictionary and you'll see a picture of this car.

Axle / Clevis / Bracket / Radius Rod Assembly

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.