Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Round Ports, 1.50 Inch 2022 ford mustang while a more race oriented

while a more race oriented S550 with sticky tires will see slightly less of a reduction

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particularly big cams that tend to reduce low-end power and torque

The Edelbrock #60925 Performer RPM cylinder head is designed for 1961-79 Chrysler 361-440 c

Fits 1955-1991 Chevrolet 262-400 Gen I Small Block. Round Ports, 1.50 Inch 2022 ford mustang while a more race orientedManufactured 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. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp load. Can be