It's often said that money makes the world go around. And it's true to some extent. Our hobby is often ruled by the almighty dollar. We crave a set of three-piece forged wheels, but our wallet steers ...

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 ...

We begin our discussion with the most common cam type offered: the hydraulic flat tappet. Used in literally millions of production Chevy big- and small-blocks, to say nothing of the many V-6 ...