

Specifications
- Brand
- Cometic Gasket
- Part #
- C5971-040
- UPC
- 191070145613

Cometic 2004+ Ford 5.4L 3 Valve LHS 94MM .040 inch MLS Head Gasket
$135.92
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Cometic 2004+ Ford 5.4L 3 Valve LHS .040" MLS head gasket. Built with multiple stainless steel layers and Viton coating for a strong seal.
Key Features
- Fits 2004+ Ford 5.4L 3-valve engines.
- Multi-Layer Steel (MLS) construction for increased strength and corrosion resistance.
- Outer layers are embossed and coated with heat-resistant Viton rubber.
- Compressed operating thickness is .040 inches.
- Designed for a 94mm bore.
- Suitable for aluminum heads to aluminum blocks and aluminum heads to cast iron blocks.
⚠️ 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
Product Details
This is a Cometic Multi-Layer Steel (MLS) head gasket, specifically designed for the 2004 and newer Ford 5.4L 3-valve engine. It's built to handle the demands of high-output engines, whether you're working with aluminum heads on an aluminum block or aluminum heads on a cast iron block. The MLS construction offers increased strength and resistance to corrosion, while the embossed outer layers are coated with Viton, a heat-resistant rubber material that can handle temperatures up to 482 degrees Fahrenheit. This gasket is designed for a 94mm bore and has a compressed thickness of .040 inches, making it a solid option for rebuilding or repairing the top end of a wide range of Ford and Lincoln vehicles.
Cometic's MLS gaskets are well-built using multiple layers of stainless steel. This design allows the gasket to rebound and resist corrosion, which is crucial for long-term sealing performance. The Viton coating on the outer layers is tough enough for harsh sealing environments and various load conditions. The center layer is also stainless steel and can be varied to achieve different thicknesses, like the .040 inch compressed operating thickness on this particular gasket. Because they are made this way, these gaskets don't require any additional sealants, simplifying the installation process.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C5971-040
- UPC
- 191070145613
Frequently Asked Questions
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Cometic 2004+ Ford 5.4L 3 Valve LHS 94MM .040 inch MLS Head Gasket

