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 ...

The vast majority of gearheads fall into two categories when it comes to choosing a camshaft: those who go too big, low-end torque and driveability be damned; and those who go too small, ensuring good ...

When Chet Herbert introduced roller tappet camshafts to racing in 1950, he established an upper echelon of performance hardware that continues to carry that hard-core mystique. The roller tappet ...

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 ...

Cam followers convert rotary to linear motion and range from simple two-dimensional cams to complex three-dimensional indexing cams with several followers. In linear-motion applications, cam followers ...