Crane Roller Lifters OH NO!

Here are some pics. As those of you with vision will see, the two lobes on cylinder 4 are probably not going to buff out. Also, there is a crack on the intake lifter where it should be attached to the link bar, and the rivet holding it together is gone. Therefore the lifters were able to move sideways. Now it's just a matter of finding out what problem caused the other problems.

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