1978 GMC C15 Ididit Steering Column Drops and Underdash Mounts Parts

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

Installing a universal tilt steering column in an old car is a common upgrade. Check out this tech article to learn how to mount your custom steering column correctly.

If you're upgrading to an ididit tilt steering column, you'll need the dimensions of the column to make sure it fits. Click here for dimensional drawings of ididit's 4 different column designs.

Speedway Motors employee Pat O. talks about his decision to install a different steering column in his '64 Impala.

Tired of those nasty, sticky indicator levers on you GM steering column? Resurrect them with Speedway Motors' Column Dress-up Kit, reviewed here by one of our own employees!

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.

Speedway Motors employee Jeff K. has hand his hands on a lot of projects through the years. Check out his how-to on the repaint of the steering wheel on his '46 Ford Sedan Delivery.

From a mild leveling to slammed and “in the weeds” there are several options to lowering a C10. We discuss the options in our ’67-’72 C10 lowering guide.

Read how to lower the rear of your 92-98 Chevy pickup using a DJM lowering kit. These tips are helpful for smooth completion.

Read how to install rear drop spring to lower a 1969 C10 pickup. Follow these steps for a smooth installation.