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 ...

Small-block Chevys first came out of Detroit with hydraulic-roller camshafts in 1987 in some passenger cars. Because the small-block was first on the scene, this story will deal with just the ...

There is a long list of advantages when it comes to converting your small-block or big-block Chevy to a roller camshaft. Decades ago, only serious racers had roller camshafts, but now it’s a ...

The trick to building a budget street engine is to use as many production-based parts as possible. Original-equipment (OE) parts are generally well engineered, durable, and in some cases less ...