DYIer I made them on co. time so they stayed with co. One head lifter comes to mind, we had several caterpillar 6 1/4 bore engines one head covered two cylinders after removing the rocker arms one would bolt my lifter to the rocker stands and as one tightened the bolts the lifter bracket would come against the head studs forcing the heat away from the block. I t saved lots of prying, grunting,@*$)@. I never thought to take a pic.