Modified Tire Changers

Adjustable suspensions allow for big changes to a car's stance and handling characteristics, but it's important to understand some suspension tuning principles before making big changes to the suspension under your custom or race car.

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!

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!

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

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.

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!

Our guide will help you find the best drag tire for your application and needs

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.

Reference this old tire size conversion chart to equip your old car or truck with modern radial tires. Our tire fitment guide covers a variety of tire types and sizes.