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I will hold out to see what mopar-wholesale sells them for but i'm going to get one. Ever since 340Rick posted pictures of his pistons, I wanted to build another one. Ill save the Apache heads for the next build

Yes, mine is now 4.09 but I have some cylindet walls under .1



I don't think you can compare the sonic #s with the old standard.
Most of the production blocks are thin but hold up very well. I think it may be the high nickel content of the new blocks