Nope same heads on both sides AFR heads it is printed on both heads. as far as we can see with out pulling them they are the same. pulled the oil pan all looks good so far no metal!!!! I want to belive He is doing the right thing this time. Will put it back together this week hope to go to test & tune at my local track this weekend I will find out more then! I really want to Thank all of you on racing junk because I belive without all of your help this may not have been resolved! If there is anything I can do to help any of you out let me know. email me. To gungho: Red is very nice, Makes you go faster!!!!!! When Josh sends the other half of the shipping I will also let y'all know