best cylinder head

roccodart440 said
What flange are they based on?
I wish I could get over 950 in a 4150 style
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Abbra-cadabra........
https://www.summitracing.com/search/part-type/carburetors/universal/yes/number-of-barrels/4/carburetor-flange/square-bore/cfm/1-050?N=4294921892+4294951518+4294943591+4294921888+4294921878&SortBy=Default&SortOrder=Ascending