While HEMI engines have a reputation for toughness and durability, there is one common weak spot in the design: HEMI lifters ...

In today's racing environment, solid roller lifters face grueling punishment on every lap. The engineers at Comp Cams just elevated the level of performance to new heights with the introduction of ...

With horsepower seemingly growing on trees these days, picking a set of high-flow cylinder heads for your engine combination is the easy part. A mother load of rotating assemblies and aftermarket ...

With so many of our discussions lately revolving around the valvetrain, we thought you might like to finally learn how to get the best performance from yours. High-performance valvetrains can take ...