610 cyl head on 03 HO??

[WPeschel]

I have seen in several posts that ppl are running a 610 head on the 03's. . What is the benefit on doing this, what year 06, or 07, and where can i find one??? Thanks Wes

 

[betterthanstock]

I have seen in several posts that ppl are running a 610 head on the 03's. . What is the benefit on doing this, what year 06, or 07, and where can i find one??? Thanks Wes

I think valve seats may be made for higher temperature. Keep the 03 injectors with the 03 pistons.