99% sure the oem dual exhaust manifolds from any 239+ full-sized car will fit.
The '57+ exh manifolds are a bit larger in diameter but the bolt pattern onto the heads is the same.
Leave out the heat riser valve if it has one.
Someone here who owns one can confirm the overall fit.
Casting number chart...
http://www.y-block.info/casting/exhaust.html
.