Originally Posted by jronald
It is possible to have shorter overall outside height and still be the same height inside. If its a hydraulic lifter.
If the old lifter, with the pushrod installed is the same height as the new lifter with the pushrod installed, you should be fine.
We used Sealed Power on all of our stock rebuilds at the Hot Rod shop, no issues.
With pushrod they have the same overall height. The height of the lifter though concerned me about getting adequate lubrication. if you set the new and OEM side by side, the oil holes on the side are even but the grooves dont match up. Heres a pic