Ford 7.5 Inch, Modern Muscle Parts

Learn why the Ford 9-inch rear end is the go-to axle for performance builds, and why this legendary rear end is trusted for high-horsepower applications

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

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

GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

Ford’s 302ci small block V8 is one of Ford’s best engine designs and is capable of great power with the right parts

Determining your engine's bore and stroke displacement, and more with our easy to use calculators

A full floating rear end is not just for dedicated track cars anymore. Many high horsepower street cars will be well suited to make the move to a Grand National style full floating axle. Read on to see why.

Wondering what a stroker motor is and how to build one? Speedway Motors has the answers with this stroker motor build guide.