Engine Top End Kits

The small block Chevy is still a great option for your muscle car, hot rod, or classic truck, just follow our build lists

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

Zach bent an exhaust valve and needed to pull the top off of the engine to replace the valve and gaskets. There are several reasons why you would need to pull the top off of your engine, but Zach's step by step process is universal.

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

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

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.

Unleash power, save money with Speedway Motors. Turbo setups for your 4.8, 5.3, or 6.0 LS engine offer unmatched dollar-to-horsepower value. Get it right the first time with us!

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.

Considering boosting your LS engine? Find out what's best for your build, turbocharging or supercharging!

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!