Cometic Gasket
Cometic MLS Head Gasket 101mm Bore .040in — Fits 03-11 Subaru EJ255 EJ257
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Cometic MLS Head Gasket 101mm Bore .040in — Fits 03-11 Subaru EJ255 EJ257
Cometic Gasket

Cometic MLS Head Gasket 101mm Bore .040in — Fits 03-11 Subaru EJ255 EJ257

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SKU: CGSC4587-040

About Cometic Gasket Cometic Gasket is the world leader in ...Read more

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$76.63 $85.13
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

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About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Watch in action

Superior Durability with Cometic MLS

The Cometic MLS (Multi-Layer Steel) Head Gasket is the industry standard for high-performance Subaru EJ255 and EJ257 engines. With a 101mm bore and a .040" compressed thickness, this gasket offers the perfect balance of durability and performance for your turbocharged build. Constructed from three to five layers of high-grade stainless steel, it provides exceptional strength and the ability to rebound under varying thermal conditions.

Why Choose Cometic MLS?

  • Corrosion Resistance: High-quality stainless steel construction ensures long-term reliability in harsh environments.
  • Viton Coating: Both sides are coated with a heat-resistant Viton rubber (up to 482°F) to maintain a seal under extreme load.
  • Engineered for Performance: Designed to accommodate the specific surface finishes and load conditions of Subaru turbo engines.
  • Reliable Sealing: Embossed outer layers ensure maximum pressure retention in the combustion chamber.

This gasket is a direct fit for a wide range of Subaru vehicles, including the Baja Turbo, Forester XT, and various Impreza models. By choosing Cometic, you are investing in a component that has been track-tested and proven to withstand the rigors of high-boost driving. Ensure your engine build is leak-free and reliable with the best gaskets on the market. Find your specialized engine components and performance upgrades at GGCRACING.

About Cometic Gasket

Cometic Gasket is the world leader in custom multi-layer steel head gaskets for performance and motorsport engines. From off-the-shelf MLS for popular platforms to bespoke gaskets for race-only builds, Cometic seals everything from Honda B-series to LSX.

Watch in action

Superior Durability with Cometic MLS

The Cometic MLS (Multi-Layer Steel) Head Gasket is the industry standard for high-performance Subaru EJ255 and EJ257 engines. With a 101mm bore and a .040" compressed thickness, this gasket offers the perfect balance of durability and performance for your turbocharged build. Constructed from three to five layers of high-grade stainless steel, it provides exceptional strength and the ability to rebound under varying thermal conditions.

Why Choose Cometic MLS?

  • Corrosion Resistance: High-quality stainless steel construction ensures long-term reliability in harsh environments.
  • Viton Coating: Both sides are coated with a heat-resistant Viton rubber (up to 482°F) to maintain a seal under extreme load.
  • Engineered for Performance: Designed to accommodate the specific surface finishes and load conditions of Subaru turbo engines.
  • Reliable Sealing: Embossed outer layers ensure maximum pressure retention in the combustion chamber.

This gasket is a direct fit for a wide range of Subaru vehicles, including the Baja Turbo, Forester XT, and various Impreza models. By choosing Cometic, you are investing in a component that has been track-tested and proven to withstand the rigors of high-boost driving. Ensure your engine build is leak-free and reliable with the best gaskets on the market. Find your specialized engine components and performance upgrades at GGCRACING.

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