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Stainless Works Small Block Ford wide rectangular port header adapter flanges are sold as a pair for 2" horizontal centerline bolt pattern SBF heads and accept larger port sizes for 1-7/8" or 2" primaries. Machine work is included; the adapter features countersunk holes for 3/8" flat head bolts and 3/8"-16 tapped holes to locate flanges. Laser-cut from heavy-duty 3/8" thick carbon steel, they support adapting big-tube headers to SBF heads.
Stainless Works SBF Wide Rectangular Port Header Adapter 304SS Exhaust Flanges 1-7/8in-2in Primaries
