Modified Thread Checkers

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.

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.

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.

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!

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

Expert techs Austin and Pat talk about some of the race car body parts we have to offer and the aerodynamic benefits they can add to your modified.

Having issues fitting headers into your car/engine? This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. Kevin W. explains his build experience with headers.

Learn about thread sizing with this easy to read thread size chart!

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!

Speedway Motors Product Manager Jeff K. not only has an awesome 1946 Ford Sedan Delivery, he has a Mullins trailer that he restyled to match "Elmer". Jeff took the time to write up what he went through to make the style of the Mullins match up better.