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The Edelbrock Performer RPM O-port cylinder head is designed for Big-Block Chevy applications and tuned to deliver strong throttle response and power from about 1,500–6,500 rpm, making it suitable for street performance, daily drivers and muscle cars. These heads include quality intake and exhaust valves and springs, offering improved airflow and drivability for BB Chevy engines in pre-emissions setups.
Edelbrock Single Perf RPM 454-0 BBC O-Port Head Comp
