Well my old pistons had the big lump and I believe they were for a 216 originally since I had to massage the domes to fit the 848 head.
I'm gonna go with some regular flat tops, probabl Egge if my machinist doesn't have a good source. If any one is building a race motor, I was able to find some domed pistons at ROSS pistons. They will do custom pistons for a number of different motors. The price listed for the 235 pistons was around $677.xx. Just for someone's future reference.
