1974 CJ5 with cracked 258
 

I have a 1974 CJ5 with 4.2 258 Date code: 704A04 serial: 3218618...block is cracked. I have found a 1982 engine Date code: 204C26 Serial: 3235444.
My question is can I use the '74 head, intake, and exhaust on the '84 block.

Thanks,

Greg