Crane Roller Lifters OH NO!

Uhhhhh, wait a second. From the pictures it looks like that cam is ground on a cast core. I very rarely run a sold roller on a cast core.

I’m not so sure that’s a lifter failure. It’s possible the cam started to fail and the lifter failure is a by product of that.

Even if it’s a steel core, I’m not so sure the cam didn’t fail first, for whatever reason.

Usually (I say usually because nothing is 100%) when a lifter fails, you see some heat in the lobe and on the wheel.

Also, any chance you can post a picture of the lifters not in the block?

TIA
YR