I said before that I wasn't going to mod this sh1t any further but I just found out that 243 heads also come with 05+ silverado's so that means they are easier to find here in Mexico and they are. I got these on the mail:



I plan to have them acid cleaned and then I'll have them port and polished locally. I guess now I can say the car has an LS6 conversion? It has the cam, springs, intake and heads now.

the only bad news is that I'll have to do the whole tune process again.