3.5 to 3.9 rocker gear question

[xstriple]

Morning chaps! Quick question, will 3.5 and 3.9 rocker gear interchange? Cheers.

[bee utey]

Morning chaps! Quick question, will 3.5 and 3.9 rocker gear interchange? Cheers.
Yes. The only difference between these engines (apart from production year changes) is the bore size.