what is ment

i hate typing just to let it be known. did you look at the rocker wear pattern from valve stem contact ? its not a narrow patten in stock form. why waste time trying to get one. the slot in the rocker has a limit of travel, so when valve is closed there should be clearence-- stud to rocker slot same goes when the valve if at full open. this says what the push rod lenght is. can break studs if the meet each other