32buick67 Posted May 5, 2022 Share Posted May 5, 2022 Looking for an exhaust manifold body - The manifold is GM# 1248714 from group 3.645, the casting number is 1248702. This appears to be common only to 1931-32 series 60. Additional specs - the exhaust pipe flange dimensions are 2-5/16" bore ID, 3-13/16" flange bolt hole center to center. Thanks Link to comment Share on other sites More sharing options...
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