Product: Speedway Motors Small Block Fits Chevy Oval Port Header Flanges, 3/8 Inch Thick
Brand: Speedway Motors
Build or modify your own headers with these flange plates. These exhaust manifold flanges have oval ports. This is a pair of header flanges only, no bolts and no gaskets included,  Flange is 3/8" thick.
Header flange only, does not include adapter pipe or gaskets

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