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 ...

If they're running a big mechanical cam, production Ford V-8 cylinder heads with nonadjustable, pedestal-type rocker arms can be machined to make the Ford valvetrain fully adjustable with screw-in ...

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 ...