What is the compressed thickness of this head gasket?

The compressed operating thickness of this Cometic MLS head gasket is 0.036 inches. The gasket itself measures 0.060 inches before compression.

Do I need to use any sealant with this head gasket?

No, Cometic MLS head gaskets are designed to provide maximum sealing performance without the need for additional sealants. The Viton rubber coating on the outer layers ensures a reliable seal.

What is the bore size of this gasket?

This head gasket features a bore size of 101mm. It's important to ensure this matches your engine's specifications for proper fitment and performance.

Specifications

Brand: Cometic Gasket
Part #: C4574-060
UPC: 191070116286

Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .060 inch MLS Head Gasket

Name: Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .060 inch MLS Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-03-subaru-ej255-04-10-ej257-101mm-060-inch-mls-head-gaske-t14-284725
Price: 87.44 USD
Availability: BackOrder

$87.44

On Backorder

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Cometic MLS head gasket for Subaru EJ255/EJ257 engines. .060 inch thickness, 101mm bore.

Key Features

Fits 2003+ Subaru EJ255 and 2004-2010 Subaru EJ257 engines.
Multi-Layer Steel (MLS) construction offers increased strength and corrosion resistance.
Outer layers are coated with heat-resistant Viton rubber for a reliable seal without additional sealants.
Center shim layer is stainless steel, allowing for varied thickness requirements.
This gasket has a 0.060 inch thickness and a 101mm bore size.
Designed for both 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

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Will it fit your car?

About this part

Product Details

If you're rebuilding the top end of your Subaru EJ255 or EJ257 engine, a solid head gasket is crucial for sealing combustion pressure and coolant. This Multi-Layer Steel (MLS) gasket from Cometic is built to handle the demands of these performance-oriented engines, fitting a range of Subaru models like the Impreza, Forester, and Legacy, as well as the Saab 9-2X and Subaru Baja.

Cometic's MLS design 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 tough sealing environments and varying surface finishes, meaning you don't need to add any extra sealants. The center layer is stainless steel and can be varied to achieve different thicknesses; in this case, it's set to provide a compressed operating thickness of 0.036 inches, with an overall gasket thickness of 0.060 inches and a bore size of 101mm, making it suitable for specific engine builds.