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Stainless Works 304 stainless exhaust flange pair for Big Block Chevy round-port headers, sized for 2-1/8" primaries. Laser-cut from heavy-duty 3/8" thick 304 stainless steel to resist distortion from high exhaust temperatures. Sold as a matched pair and backed by a limited lifetime warranty, they’re intended for reliable header fabrication and long-term service.
Stainless Works Big Block Chevy Round Port Header 304SS Exhaust Flanges 2-1/8in Primaries
