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Buick 263 Head X-Sections

Buick 263 head x-sections showing intake and exhaust port and runners.
This head is casting no. 1340327 3

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Part Number Description
1342004...1 1941-42, 60-70-90;
1946-47-48-49, 70 (Also for service on 1937-38-39,60-80-90, 1940, 60-70-80-90 When replacement engine package has been installed) When using this head on these models use cylinder head gasket 1341405 (NOTE: When using cylinder head on 1941-42, 60-70-90, it will be necessary to use 0.289-1341405 cylinder head gasket)
1338993...1 1949, 50 D.F.
1318873...1 1950, 40 Conv. Trans.;
1950, 50:
1951 thru 1953, 40 (For use with aluminum pistons)
1340868...1 1950-51, 70 320"
1340830...1 1950, 40 D.F.