From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...

Apparently, there is no ceiling when it comesLS performance. Just when it seems an insurmountable threshold of horsepower, speed, or low e.t. has been achieved, the next racer is able to shove another ...

Making engine components out of plastic isn't common, especially when you consider how hot engines are, but that doesn't stop ...

Trick Flow’s 11R HD cylinder heads are designed to maximize small-block Fords. They are specifically designed for power-adder ...

We have already discussed here a wide list of procedures you can do yourself on your Toyota VVTi engine, from removing the valve cover to the crankshaft. In this article, our focus will be on how to ...

Many don't give a second thought to cylinder head bolts once they're taken out of an engine, thinking of them as just another set of fasteners. But they have a much bigger role, maintaining a ...

One of the problems with running the proverbial ultimate cylinder head test that we did a few years back (a.k.a. MM&FF's Ultimate Guide to Cylinder Heads), is that the performance world continues to ...

Toyota Gazoo Racing created a modernized block and heads for the iconic AE86. Toyota’s 4A-GE four-cylinder is a legend. This twin-cam, four-valve 1.6-liter engine found a home in many of Toyota’s best ...

CARS.COM — Your car’s head gasket is an important part of the engine. It seals the cylinder head to the engine block. The cylinder head houses the engine valves while the engine block contains the ...