• Multi-Layer Steel (MLS) construction
• Embossed stainless steel layers with Viton rubber coating
• No sealants required
• Withstands shearing force between aluminum and cast iron

Multiple Layers of Stainless Steel, Built to Rebound

Cometic MLS Head Gaskets are comprised of multiple embossed layers of stainless steel, providing maximum sealing performance for today's high output engines without requiring any sealants during installation. MLS gaskets have increased strength because they're built from multiple layers of stainless steel rather than a single composite layer, which also gives them the ability to rebound and resist corrosion over time. That multi-layer construction is ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, since it can withstand the shearing force created by two dissimilar materials expanding at different rates under heat. That's exactly the kind of thoughtful design worth paying for.

Viton Coating Rated to 482°F

The outer layers are embossed and coated on both sides with Viton, a fluoroelastomer rubber-based material that's heat resistant up to 250°C (482°F) and designed to meet the demands of harsh sealing environments, varying load conditions, and different surface finishes. The center shim layer is uncoated stainless steel, which Cometic varies to accommodate different thickness requirements depending on the specific application. That combination of embossed stainless layers and heat-resistant coating is what makes MLS the standard for serious high-output engine builds. For a component this critical, that level of engineering is worth having.

Straight From Subispeed

A genuine high-output MLS head gasket for 2002-2005 WRX, engineered to handle the thermal and mechanical stress a boosted engine actually puts on the head-to-block seal.

This Part Fits:

This is the EJ20G-specific version at .098in compressed thickness.