SB Mopar 671 manifold for sale, not mine

DODGE MOPAR 273 318 OFFENHAUSER DUAL QUAD INTAKE TWO FOUR BARREL | eBay

Mill and fill the top flat, and bolt a 671 flange to it. WAY under $1500. That's probably what Dyers does to a lesser degree. If I could weld AL, I'd be making these if $1000 is the price point.