If there is one performance limitation to hydraulic roller lifters it is the maximum rpm capability they can maintain in race applications. The internal hydraulics of standard roller lifters are ...

The most enduring engine in automotive history is about to change. The small-block Chevy is and will continue to be the most popular powerplant in the history of racing and high performance, but its ...

Picking the right valvetrain for your engine can be a daunting task. Solid flat tappet, hydraulic flat tappet, solid roller, hydraulic roller; these are the choices, made even more difficult due to ...