RHB - Steel head gaskets stacked, not sure bro but it's something I'm gonna consider.

djkir23 - I'll post them here on the forum as soon as I make the swap.

chrisj6 - They are hardened 7.4 MTI pushrods. I remember you wanted some 7.45's in the LS6 cam post. I'll still post them when I'm through with the swap just incase you or someone else is interested.

Zick - If they make thinner, maybe they make thicker. I'll look into them.

I'm really worried about the valve to piston clearance with the .581 lift after some reading. I'll probably use some modeling clay on top of the piston to take the clearance since it doesn't spring. Bare with me on the springs and pushrods guys, I don't want to tear these heads apart without all the info I need.