Racing Beyea IMCA Dirt Modified 4-1 Headers

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

Dirt modified racing delivers high-horsepower, adrenaline-fueled action, learn more about them and their racing classes

Speedway Motors announced today the introduction of a new IMCA Modified Spec Racing Engine as they kick off the 2025 race season along with discounts Jan. 27-Feb. 2 to help their customers get ready for race season.

This season marks Speedway Motors 45th year as an IMCA sponsor and 30th year as title sponsor of the IMCA Super Nationals, the premier event in dirt track racing.

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Meet Bryce Campbell. He's the winner of our Cover Car Contest and this is his IMCA Sport Mod. He's taken his whole family racing with him, and we're thrilled to bring you his story.

Making the switch from manifolds to headers is a popular performance upgrade, but it may take more than just bolting on the new part. We provide some tips and things to consider after you bolt on a new set of headers.

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!

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.

Check out these tips on the large variety of Demo Derby headers that Speedway Speedway offers. Here, Jeremy will walk you through the many different styles and brands available showcasing which style might fit best in your application.