408 Build

With felpro 1008 .039 gaskets, JE/SRP SKU: 220156 https://www.jepistons.com/product/s...iston-kit-4-030-in-bore-1-460-in-ch-17-00-cc/
Get the block cut to put the pistons .004 above deck (.021 cut, give or take) and you'll be right at 10.3:, according to the Stan Weiss calculator. I'd go with this cam.
DODGE COMP Cams 20-631-5 COMP Cams Oval Track Camshafts | Summit Racing