Originally Posted By fast68plymouth
we discovered after these were done and installed on the block that that rocker stands were machined too close to the valves.


Would the fact that these heads were used on hydraulic roller motors have something to do with that? Could the roller lifters change the geometry enough to cause the alignment issues here?

Or was it just poor QC?

'71 Duster
'72 Challenger
'17 Ram 1500