Edelbrock Pontiac Performer/Performer RPM Heads

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These cylinder heads are designed for outstanding performance gains in 1962-79 389-455ci Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head.

Performer heads #60579/60575 are 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio.

Performer RPM heads with 72cc combustion chamber are for higher compression engines. Performer RPM #60509 is semi-machined and must be finished by a professional head porter. They include valve guides and seats installed with no intake pushrod holes. Performer RPM #60587 is not port matched or bowl blended and is NHRA accepted for Stock and Super Stock. Made In The USA!