Exhaust manifold numbers


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By PWH42 - 10 Years Ago
Anyone know the part numbers for the flat top dual exhaust manifolds?I'm looking at pictures of a pair for sale and can't tell if they are flat top or round top.The seller shows the numbers as being EDB-9430-A and EDB-9431-B. 
Thanks!
By 57RancheroJim - 10 Years Ago
Those are the casting numbers for the 57 flat top manifolds.
http://www.y-block.info/casting/exhaust.html
By PWH42 - 10 Years Ago
Thanks,Jim..............I appreciate the help.