What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic MLS head gasket is 0.098 inches. This measurement is important for ensuring proper valve-to-piston clearance after installation.

Can this gasket be used with both aluminum and cast iron engine blocks?

Yes, this MLS gasket is designed to work effectively with both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. The multi-layer steel construction helps manage the shearing forces between different metal types.

Does this head gasket require any sealant during installation?

No, Cometic MLS head gaskets are designed to provide maximum sealing performance on their own and do not require any additional sealants. This simplifies the installation process.

Specifications

Brand: Cometic Gasket
Part #: C5987-030
UPC: 191070068004

Cometic AMC 4.0L Inline 6 .030in MLS Cylinder Head Gasket - 3.950in Bore

Name: Cometic AMC 4.0L Inline 6 .030in MLS Cylinder Head Gasket - 3.950in Bore
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-amc-4-0l-inline-6-030in-mls-cylinder-head-gasket-3-950in--t14-807388
Price: 101.81 USD
Availability: BackOrder

$101.81

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Fits 1987-2001 Jeep Cherokee. Cometic AMC 4.0L Inline 6 .030in MLS Head Gasket with a 3.950in bore, built for high output engines.

Key Features

1987-2001 Jeep Cherokee, 1987-1992 Jeep Comanche, 1993-2004 Jeep Grand Cherokee, 1987-1990 Jeep Wagoneer, and 1991-1995/1997-2006 Jeep Wrangler fitment.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are coated with Viton, a heat-resistant rubber material rated up to 482°F (250°C).
Designed for high output engines and suitable for aluminum heads to aluminum blocks or cast iron blocks.
Compressed operating thickness is 0.098 inches.
Features a 3.950-inch bore and a 0.030-inch thickness.

⚠️ 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

Cometic Gasket is known for making well-built sealing solutions, and this Multi-Layer Steel (MLS) head gasket is a prime example for your AMC 4.0L inline 6 engine. If you're rebuilding the top end of your Jeep Cherokee, Comanche, Grand Cherokee, Wagoneer, or Wrangler, a reliable head gasket is crucial for keeping your combustion chambers sealed and your engine running smoothly. This gasket is specifically designed to handle the demands of higher output engines.

This MLS gasket uses multiple layers of stainless steel for increased strength and resistance to corrosion. The outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482°F (250°C) and works well with different block and head materials, including aluminum to cast iron. The center layer is uncoated stainless steel, and its thickness can be varied to meet specific requirements. This gasket is 0.030 inches thick and has a 3.950-inch bore, and it's designed to seal effectively without needing any additional sealants.