Autopsy complete. Results

That's what I am saying. The crane studs have the 5/16" thread that screws into the head and the top side is the 3/8" fine thread that the adjustment nut of an after market roller rocker threads onto for adjustment, plus new guide plates.

See the links below.

http://www.jegs.com/webapp/wcs/stor...atalogId=10002&storeId=10001&categoryId=16615

http://www.cranecams.com/index.php?show=browseParts&lvl=2&prt=24