In the factory manual it shows "I" bolts screwed into a head bolt hole and a lifting cradle/adjuster.

See fig. 28 http://www.canadianmilitarypattern.com/1960%20235-261%20Engine%20Manual.htm


1954 3600 Chevy Truck
"The Fake Truck"
In the Stovebolt Gallery
More pix on Photobucket