MID-LIFT

DESIGN and INSTALLATION. These two simple perspectives of rocker arm function must be understood separately. Because you can have one and not the other. If the "design geometry" isn't correct, then your "installed geometry" can only be set for the lesser of two evils, either setting the pivot points for a MID-LIFT relationship on the "valve" side of the rocker arm, or the "push rod" side of the rocker. Not both. On a stud mounted system, this is done by changing the pushrod length. On a stand (shaft) system, this is done by adjusting the stand's height... Of the many forms of competition that racing now enjoys, one common trait they all demand is a high level of skill and knowledge by the men and women responsible for building the high performance engines that power their vehicles. These engines are very expensive by any measure, and to acquire maximum performance one thing all engine builders soon understand is the importance of one group of the engine's components, known as the..