This stamped steel 2.5"exhaust flange is used on the 327 with high performance and all big blocks 396/427/454.
It measures: 3/8 thick with 2 5/8 inch diameter hole center, 7/16 bolt hole diameter, 3 inch center to center on the mounting…
nsure a secure and reliable connection between your headers and exhaust pipes with this 12-piece flange bolt set, designed specifically for 1956-1982 Chevrolet Corvette models. This factory-correct set provides a precise fit, maintaining…