My pistons from my 408, diamond 11519 flat tops for 4.030" bore, 2cc valve reliefs 1.125" comp height. Barely 1700 miles on them, perfect condition just slight carbon buildup from use. Wrist pins, locks, and rings included. $450 shipped OBO.
GM LS6 12586665 oil pump, 1700 miles, perfect condition as well, $60 shipped.