One way to reduce flex is by using quality pushrods with a wall thickness of .120″
You will get what you pay for when it comes to the type and quality of aluminum being used in the manufacturing process
Stock rocker arms tend to to wear, become loose, noisey, and leave shavings of metal in your motor oil.
Scorpion Stud Girdles are a cost-effective alternative to Scorpion Shaft Mount Rocker Arms.
Scorpion laser etches every rocker arm with it’s ratio and lot number
Check out the video below from our Design Engineer here at Scorpion on Valve Lash Adjustment.
FAQ: Which rocker arm fits the Ford profiler Head?
One solution is to install lash caps on the valve stems.
The pushrod deflects or flexes upon valve opening and then again just prior to valve closing
The easiest way to explain this is to take it in three sections