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The Edelbrock #61515 Performer RPM CNC cylinder head is patterned for 1962–79 Pontiac 389–455 engines and features a CNC‑machined combustion chamber for consistent, precise flow. Offered with a 72cc chamber, this head is suited to higher‑compression builds and follows the port flange configuration of late‑1960s Ram‑Air IV Pontiac heads. It delivers streetable power and improved airflow for performance‑oriented Pontiac projects.
Edelbrock Cylinder Head Performer RPM CNC Pontiac 1962-1969 455 CI C8 72 cc Combustion Chamber
