When adjusting hydraulic flat-tappet or hydraulic-roller lifters for proper preload on a 350 small-block, a 454 big-block, and other displacements and engine makes with non-positive-stop stud-mounted ...

When most of us think about performance parts, roller rockers are usually not the first parts to come to mind. However, a good set of roller rocker arms can not only reduce friction, but also they are ...

The second part explaining the repair process for the Butler 467 issue, including a step-by-step guide on performing the roller rocker valve lash adjustment to restore engine function. GOP senator ...

Drag racers have been searching for tricks to gain horsepower since day one, and there are lots of ways to do it without spending a tremendous amount of time or money. One of the biggest downfalls of ...

Q.When I rebuilt a 350 Chevy V-8 to replace the six-cylinder in my 1955 Chevy 210 I decided to use roller rocker arms. We ground the valves, added a mild cam with hydraulic lifters, screwed in studs, ...