Notes: Head Gaskets Ultra-Seal Steel 1.55 x 1.63 in. Port Square GM 4.3L Pair
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Features: 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 Can be trimmed if necessary for modified port applications For OE replacement, high performance street, drag race and oval track use