I know everyone bags the 22RE but i have decided to give it a go and see how far i can push it. i was going to put a 20R head onto the block but i have decided to try a 21R head as these have hemispherical combustion chambers which will allow me to use dome top pistons ( MAX comp). The only problem is i don't know where i can get some. Does anyone know where i can find some dome top pistons with the same diameter as the standard 22RE ones or what car might have them.