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The Best Value in High-Performance Aluminum Heads for Small Block Ford Standard Pro 1 Cylinder Heads deliver outstanding airflow using advanced tooling & state-of-the-art casting techniques while the CNC-ported version provides even more "flow for your dough."
Engineered for easy installation as bolt-on replacements for most conventional heads, Pro 1 heads accept standard small block pistons, headers, and valvetrain components. Dart improved the original design with thicker decks and high-capacity water jackets that increase reliability in high-performance applications. Hardened exhaust seats and durable bronze valve guides significantly extend cylinder head life. Sold individually.
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