What Pontiac engines does this head gasket set fit?

This Edelbrock head gasket set is designed for Pontiac V8 engines manufactured between 1961 and 1976. It fits displacements including 326, 389, 400, 421, 428, and 455 cubic inches.

What is the bore size and compressed thickness of these gaskets?

The gaskets have a bore size of 4.200 inches and a compressed thickness of 0.038 inches. These specifications are important for ensuring a proper seal and achieving the desired compression ratio.

Does this set include everything needed to replace both cylinder head gaskets?

Yes, this Edelbrock part #7381 is a set that includes two cylinder head gaskets, which is what you'll need to replace the gaskets on both sides of a V8 engine.

Edelbrock Pontiac Cylinder Head Gasket One Pair

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Specifications

Brand: Edelbrock
Part #: 7381
UPC: 85347073818

Edelbrock Pontiac Cylinder Head Gasket One Pair

Name: Edelbrock Pontiac Cylinder Head Gasket One Pair
Brand: Edelbrock
Price: 52.02 USD
Availability: InStock

$52.02

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Edelbrock Pontiac Cylinder Head Gasket Set for 1961-1976 V8 engines. Features a 4.200" bore size for a solid seal.

Key Features

Fits 1961-1976 Pontiac Bonneville, Catalina, Firebird, GTO, Grand Prix, and many other V8 models.
Designed for Pontiac 326, 389, 400, 421, 428, and 455 cubic inch V8 engines.
Features a 4.200 inch bore size.
Has a compressed thickness of 0.038 inches.
Volume is 8.96 cc.
Comes as a set of two gaskets.

⚠️ 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

If you're rebuilding the top end of your Pontiac V8 from 1961 through 1976, these Edelbrock cylinder head gaskets are a solid choice. They're built to seal the combustion chamber and coolant passages on a range of Pontiac engines, including the 326, 389, 421, 428, and 455 cubic inch displacements. This set comes with two gaskets, ready to be installed on your engine.

These gaskets feature a 4.200-inch bore size, which is designed to accommodate larger displacement Pontiac V8s. With a compressed thickness of 0.038 inches, they help achieve the correct compression ratio for your build. The volume of 8.96 cc is also a key spec to consider when calculating your final compression. Edelbrock has been a trusted name in performance parts for a long time, and these gaskets are made to meet the needs of a Pontiac engine rebuild.