What valvetrain components are needed to complete this bare cylinder head?

As a bare cylinder head, you will need to purchase valves, valve springs, retainers, seals, and any other necessary valvetrain components separately. This allows for customization based on your engine's specific needs and performance goals.

What is the benefit of a CNC machined combustion chamber?

A CNC machined combustion chamber ensures a precise and consistent volume and shape for each cylinder head. This uniformity improves airflow dynamics and can lead to more efficient combustion and better overall engine performance compared to hand-porting or less precise methods.

What compression ratio is this head designed for?

The 87cc chamber size on this Edelbrock cylinder head is specifically recommended for engines aiming for a 9.5:1 compression ratio. This setup is well-suited for street applications and can perform well on lower octane fuel.

Edelbrock Cylinder Head Pontiac Performer RPM CNC Chamber 87cc Bare Single

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Specifications

Brand: Edelbrock
Part #: 60609
UPC: 85347606092

Edelbrock Cylinder Head Pontiac Performer RPM CNC Chamber 87cc Bare Single

Name: Edelbrock Cylinder Head Pontiac Performer RPM CNC Chamber 87cc Bare Single
Brand: Edelbrock
Price: 1225.25 USD
Availability: InStock

$1225.25

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Edelbrock Cylinder Head Pontiac Performer RPM CNC Chamber 87cc Bare Single. CNC machined chamber for improved flow performance on 1962-79 Pontiac engines.

Key Features

Fits 1962-1979 Pontiac 389-455 c.i.d. engines.
Features a CNC machined combustion chamber for improved flow and consistency.
87cc chamber size is ideal for 9.5:1 compression ratio street performance.
Port flange configuration is patterned after the 1969-1970 Ram-Air IV Pontiac Cylinder Head.
Bare cylinder head requires separate purchase of valves, springs, and other valvetrain components.
Compatible with a wide range of Buick, Oldsmobile, and Pontiac vehicles from the 1960s and 1970s.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

This is a single Edelbrock Performer RPM CNC bare cylinder head, designed for 1962 through 1979 Pontiac engines with displacements from 389 to 455 cubic inches. It's built with the same core specifications as the popular Performer RPM head but features a CNC machined combustion chamber. This precise machining results in a consistent chamber volume, which directly contributes to improved airflow and better overall engine performance. This head is patterned after the port flange configuration of the 1969-1970 Ram-Air IV Pontiac Cylinder Head, a well-known performance component.

The 87cc chamber size on this specific head is well-suited for builds targeting a 9.5:1 compression ratio. This configuration is ideal for achieving strong street performance, even when running on lower octane fuel. Because this is a bare head, it means you'll need to source your own valves, springs, retainers, and other valvetrain components, allowing you to customize the setup to your specific engine build. This approach gives you flexibility in tuning your engine's breathing characteristics.

This cylinder head fits a wide range of Pontiac, Buick, and Oldsmobile vehicles from the 1960s and 1970s, including models like the Pontiac Bonneville, Catalina, Firebird, GTO, and LeMans, as well as certain Buick and Oldsmobile full-size cars from 1975. It's important to note that this part is not CARB approved and cannot be shipped to California. You will need to gather all necessary valvetrain components to complete the installation.