What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic head gasket is 0.036 inches. This dimension is important for ensuring proper compression ratios and valve-to-piston clearance.

Does this gasket require any sealant during installation?

No, this Cometic Multi-Layer Steel (MLS) head gasket is designed to provide maximum sealing performance and does not require any additional sealants. It's engineered to seal effectively on its own.

What is the bore size for this head gasket?

This head gasket is designed for engines with a 3.810-inch bore. It's crucial to match the bore size to your engine block for a proper seal.

Specifications

Brand: Cometic Gasket
Part #: C5669-045
UPC: 191070136901

Cometic AMC 290/304/343/360 Gen-2/3 V8 .045in MLS Cylinder Head Gasket - 3.810in Bore

Name: Cometic AMC 290/304/343/360 Gen-2/3 V8 .045in MLS Cylinder Head Gasket - 3.810in Bore
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-amc-290-304-343-360-gen-2-3-v8-045in-mls-cylinder-head-ga-t14-805850
Price: 111.49 USD
Availability: BackOrder

$111.49

On Backorder

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

Cometic AMC 290/304/343/360 V8 MLS head gasket with a 3.810in bore. Built for high output engines and requires no sealants.

Key Features

Fits American Motors and Jeep vehicles with AMC 290, 304, 343, and 360 Gen-2/3 V8 engines.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are embossed and coated with Viton, a heat-resistant rubber material.
Viton coating can withstand temperatures up to 482°F (250°C).
Designed for a 3.810-inch bore.
Compressed operating thickness is 0.036 inches.

⚠️ 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 Cometic Multi-Layer Steel (MLS) head gasket is designed for AMC 290, 304, 343, and 360 Gen-2/3 V8 engines. You get one MLS head gasket with a 3.810-inch bore, ready to seal your engine's combustion chambers. It's built to handle the demands of higher output engines and is suitable for both aluminum and cast iron blocks, offering a solid seal without needing additional sealants.

The gasket is constructed from multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material capable of withstanding temperatures up to 482°F (250°C), which helps ensure a reliable seal even under tough conditions. The center layer is stainless steel and can be varied in thickness; this particular gasket has a compressed operating thickness of 0.036 inches and is designed for a 3.810-inch bore.

This gasket fits a wide range of American Motors and Jeep vehicles from the late 1960s through the early 1980s, including models like the Jeep CJ5 and the American Motors Javelin. It's a well-built component for rebuilding or repairing your V8 engine.