Replacement cylinder head

Yes. Spun a rod bearing and was having head checked out. Found some cracks. I know a lot of people say to run the head with cracks. The way my luck has been this spring, I’m not certain I want to take chances with this head. Hear mixed reviews on Pro Maxx heads. Heard OEM Cummins heads are on backorder.
 
I could get my hands on a Cummins head within a day or two. I'm assuming it's for a CR ?
 
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