Stock 452 heads check above 90 CC, at least all of the ones I have checked did shruggy
I think the stock uncut Stage Four heads where large like that also, maybe 84.0 CC to start with, maybe not confused

Last edited by Cab_Burge; 12/02/17 09:31 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)