Modified Knobs and Switches

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Looking to replace a turn signal switch in your street rod, rat rod or muscle car? Kevin explains the install process in his 1954 Belair, which you can apply to your own build.

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!

Super Chevy features the Speedway exclusive Lokar Muscle Car Shifter Knob Adapter

There are a lot of choices when it comes to automatic shifters, and we’ll help unpack all the options and features in our automatic shifter buyer’s guide

Devyn Peterson is an Auto Tech in the Speedway Motors Customer Experience center. He's also a racer, starting out in karts when he was just 5 years old. He moved up to a Modified when he was 13 and hasn't looked back!

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!

Drag racing shocks can make a big difference in your drag car's performance. Here's a guide to what's available and some options to hook up your car at the dragstrip.