4.0L Head Swap on a Jeep 258 4.2L Engine

[Im Not Spam]

I’m having the AMC 258 i6 / 4.2l AMC 258 i6 / 4.2l in my 1985 Jeep CJ7 rebuilt by a local machine shop. The shop just called and said the head is no good and that I need to get another one that is a rebuildable core. I’m having trouble locating a AMC 258 i6 / 4.2l head, but 4.0L heads are everywhere. Could I use

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