What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic MLS head gasket is 0.036 inches. The overall gasket thickness is 0.045 inches.

Does this gasket require any additional sealants?

No, Cometic MLS head gaskets are designed for maximum sealing performance and do not require any additional sealants. They are built to seal effectively on their own.

What is the advantage of the Viton coating on the outer layers?

The Viton coating on the outer layers is a heat-resistant rubber material that can withstand harsh sealing environments and high temperatures up to 482 degrees Fahrenheit (250 C). This helps ensure a reliable seal under demanding engine conditions.

Specifications

Brand: Cometic Gasket
Part #: C5272-045
UPC: 191070123529

Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .045in MLS Cylinder Head Gasket

Name: Cometic Chevrolet Gen-1 Small Block V8 4.165in Bore .045in MLS Cylinder Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-chevrolet-gen-1-small-block-v8-4-165in-bore-045in-mls-cyl-t14-523710
Price: 102.25 USD
Availability: BackOrder

$102.25

On Backorder

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

Cometic Chevrolet Gen-1 Small Block V8 MLS head gasket. Features Viton coating and 4.165in bore.

Key Features

Fits 55+ vehicle make/model combinations.
Multi-Layer Steel (MLS) construction for increased strength and corrosion resistance.
Embossed outer layers coated with Viton rubber for heat resistance up to 482 F (250 C).
Compressed operating thickness of 0.036 inches.
4.165 inch bore size.
Designed for high-output engines and requires no sealants.

⚠️ 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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About this part

Product Details

This product is a Cometic Multi-Layer Steel (MLS) cylinder head gasket designed for Chevrolet Gen-1 Small Block V8 engines. It features a 4.165-inch bore and a compressed thickness of 0.036 inches, with an overall gasket thickness of 0.045 inches. This gasket is built to handle the demands of high-output engines and is suitable for use with both aluminum and cast iron blocks, as well as aluminum heads. The MLS construction offers increased strength and resistance to corrosion, while the embossed outer layers are coated with Viton, a heat-resistant rubber material designed for harsh sealing environments.

The multi-layer design provides excellent sealing performance without the need for additional sealants. The Viton coating on the outer layers can withstand temperatures up to 482 degrees Fahrenheit (250 C), making it ideal for engines that generate significant heat. The center shim layer is made of stainless steel and can be varied to accommodate different thickness requirements, ensuring a precise fit for various engine builds. This gasket is a solid option for rebuilding or upgrading the top end of your Gen-1 Small Block V8.

This gasket fits a wide range of vehicles, including models like the Chevrolet Camaro, Buick Regal, and GMC C1500. Always check the specific fitment data to confirm compatibility with your vehicle.