Description
Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. D-Shaped Ports, 1.55 Inch x 1.71 Inch
- Manufactured from high-temperature steel core/graphite faced exhaust material
- Expanded steel core provides stability and maximum torque retention to eliminate gasket failure
- Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head
- Conforms to and seals minor surface irregularities