What is the advantage of the D-Port exhaust configuration?

The D-Port exhaust port configuration is designed to match standard D-Port exhaust manifolds. This ensures a proper seal and efficient exhaust gas flow for engines originally equipped with this style.

Are these cylinder heads ready to install right away?

Yes, these are complete cylinder heads. They come fully machined and assembled with guide plates, rocker studs, and a high-quality valvetrain, making them a direct bolt-on application.

What makes the spark plug relocation beneficial?

Relocating the spark plug closer to the exhaust valve helps improve the combustion process. This can lead to more efficient burning of the air-fuel mixture and contribute to better overall engine performance.

Edelbrock Performer D-Port Complete 72cc

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Specifications

Brand: Edelbrock
Part #: 61599
UPC: 85347615995

Edelbrock Performer D-Port Complete 72cc

Name: Edelbrock Performer D-Port Complete 72cc
Brand: Edelbrock
SKU: edelbrock-edelbrock-performer-d-port-complete-72cc-t14-127523
Price: 1777.83 USD
Availability: BackOrder

$1777.83

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Edelbrock Performer D-Port Complete 72cc Cylinder Heads for Pontiac V8s. Machined in the USA for improved performance.

Key Features

Fits 1962-79 Pontiac 389, 400, 421, 428, and 455 c.i.d. V8 engines with a 4.060" or larger bore.
Features D-Port exhaust ports compatible with standard D-Port exhaust systems.
Optimized oil return passages are included for increased oil flow.
Spark plug location is closer to the exhaust valve for improved performance.
Cast with extra thick port walls and compact port sizes, ideal for porting.
Includes guide plates, rocker studs, and a high-quality valvetrain for direct bolt-on installation.

These cylinder heads are designed for 1962-79 Pontiac V8 engines with 326, 350, 389, 400, 421, 428, or 455 cubic inch displacements and a 4.060" or larger bore.

⚠️ 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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Product Details

If you're rebuilding the top end of your 1962-79 Pontiac V8, these Edelbrock Performer D-Port cylinder heads are a solid choice. They're designed to work with standard D-port exhaust manifolds and are built for Pontiac engines like the 389, 400, 421, 428, and 455 cubic inch V8s, especially those with a 4.060-inch bore or larger. These heads are cast with extra thick port walls and a compact port size, which makes them a great foundation for further CNC or hand porting if you're looking to fine-tune airflow.

Edelbrock has optimized the oil return passages to ensure better oil flow back to the crankcase, and they've moved the spark plug closer to the exhaust valve. This relocation helps improve combustion and overall performance. The heat crossover is machined to be 50-state emissions legal, so you can be confident in their compliance. These are complete cylinder heads, meaning they come fully assembled with guide plates, rocker studs, and a high-quality valvetrain, making them a direct bolt-on application right out of the box.

These heads are machined and assembled in the USA, reflecting a commitment to quality manufacturing. Because they are complete assemblies, they can save you time and effort during your engine build. Just be sure to check the manufacturer's installation instructions for any specific details regarding your application.