Modified Valve Lifters

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

To get the longest life and most performance out of your engine, it's important to have the valve lash set correctly. Here we show you how to set valve lash on a Small Block Chevy using a hydraulic lift camshaft in just eight steps.

Learn how to choose the right valve springs for your camshaft, the differences between single and dual valve springs and when to replace them.

Learn how to check and set your engine's valve lashes to prevent and detect engine failure. See steps on removing spark plugs and if they are tuned correctly.

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

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.

Check out some cool overhead conversions to the Ford flathead V8 on display in the Museum of American Speed!

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.

Both 5.3 and 5.7 LS engines are commonly sourced for LS swaps. Here's a look at some differences and similarities as well as a discussion of what might be the best choice for your project.

Learn how to install and properly tune brakes with an adjustable proportioning valve block.