Street Engine Oil Change Kits

We help determine what are the best 10-spline quick change gear ratios for your street or racing needs

Quick change rears have been around since the 1940s and while many are familiar with them, to others they’re a mystery we’ll help explain

Crate Engine vs Rebuilt: Is Rebuilding an Engine Worth It? Crate engines are often the more affordable option over a purpose-built engine. Some still think a rebuild is cheaper than a crate engine. But is it? That’s what we’re here to find out.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your 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.

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!