when buying used heads (2003 ls6 z06 heads) that came off the car with 14,000 miles on them, is there anything i should look for??????casting numbers or anything like that??????i dont want to pick up the wrong heads...thanks

 

I was just about to post another, related question so maybe we can get a combined answer;

For the LS1s & LS6s what is the difference if any in the heads from year to year, in other words, will 2002 heads fit a 2000 with no problems?

 

anyone ttt