Dynatech Header Flange Big Block Chevy Mild Steel 2.50 Port .375 Thick Dynatech - 796-21639
Dynatech Header Flanges are of the highest quality for a great start to your exhaust header. 3/8 thick and CNC last cut for a clean transition from the cylinder head port to the header tube, these flanges are the best way to assure your exhaust performs the best. Mild Steel construction.