Posted by Ron S. (IP: 205.188.193.39) on July 14, 1999 at 21:19:56:
In Reply to: Is that even with the slotted... posted by Mark on July 14, 1999 at 10:22:56:
...IF your rockers don't have "rails" that "drop down" on the valve side to keep it 'centered' on the valve stem tip...this "feature" was 'limited' to Hi-Po 289 heads as I recall.