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The Edelbrock Performer RPM cylinder head for Chevy Gen V LT1/LT4 engines is a street‑oriented upgrade with thicker deck material for improved strength and CNC‑machined chambers and valve seats. It features high‑flow intake and exhaust ports, back‑cut intake valves, and retains stock rocker arm and spark plug locations. Key specs include 58cc combustion chambers, 305cc intake runners and 2.165" intake valves.
Edelbrock Cylinder Head Performer RPM Chevy Gen V LT1/LT4
