The NA head isn't as strong as a turbo head.. the turbo head is built for much stronger pressure much more heat and increased exhaust flow. the prechamber diamater holes are also different. you can make it work, just won't work as good as a turbo ehad

9.10/9.12 heads are identical BTW Jay-Bob.

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Only diesels in this driveway.
2005 E320 CDI 243k Black/Black
2008 Chevy 3500HD Duramax 340k
2004 Chevy 2500HD Duramax 220k