CPPA headers

I need some info guys. I have 2 inch chassis headers on my low deck 470 stroker with raised port Stage 6 heads. I have heard that I can use these on a raised block 440 stroker with non raised port heads. I have Indy SRs for the 440/543 stroker. I get that the height may be the same. But what about the width? Has anybody done this swap? Thanks. Kim

BC0B4A78-E677-49CB-851D-72090AF2D0D5.jpeg

9AAD57AE-70E5-4725-B1B6-03CFE0C39B9D.jpeg