The spark plug has been relocated closer to the exhaust valve for improved performance. This head is cast with extra thick port walls and a compact port size, making them ideal for CNC and hand porting.
Edelbrock Bare Cylinder Head 60549; Performer RPM 454-R 315cc Aluminum for BBC
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Edelbrock Bare Cylinder Head 60769; Performer RPM 171cc Aluminum for LA Mopar
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Edelbrock Engine Bare Cylinder Head 618369;
