Hey guys, I've got a 1967 RS/SS that I'm teari

ng apart....again! I have a mark 4 block that has been sleeved. It's got a 4.410" bore with a 4.250" steel crank.
Concrete DART heads with S/S TRW valves, triple springs, Correlation lifters, n rockers, etc.Thepistons are SRP 3.755" domes. Loose ad **** Iknow!
Anyway I need real advice e on piston size here. I'm NA with a 1150 Dominator. Thanks. Jeff