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 ...

That's not to say we all don't want to tear a motor down and start from scratch with all of the latest goodies. However, a perfectly viable alternative can be had, with a relatively simple yet ...

Can roller rocker arms actually help add horsepower? The mechanically savvy will likely consider that question and say: “If you have more lift, and open the valves more, then you’ll make more power.

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, ...

The rocker arm employs the use of a fulcrum or pivot to increase the cam lift by a given ratio. That increase in lift is the result of moving the pushrod pivot point closer to the fulcrum. That ...