Cometic MLX Head Gasket 89.5mm .042in LHS — Fits 13+ Subaru FA20 DOHC

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SKU: CGSC4589-042
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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

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Engineered for Subaru FA20 DOHC Performance

The Cometic MLX Head Gasket is the gold standard for Subaru FA20 DOHC engine builds. This .042-inch thick gasket is designed to provide a robust, reliable seal for high-performance applications, ensuring that your engine maintains optimal compression under the most demanding conditions. The multi-layer stainless steel (MLS) design is specifically engineered to resist the high-heat and high-pressure environments found in modern turbocharged Subaru engines.

Why Choose Cometic MLX?

  • Advanced Materials: Multi-layer stainless steel provides unmatched strength and resistance to corrosion.
  • Viton Coating: Heat-resistant Viton rubber coating ensures a leak-free seal across varying surface finishes.
  • Precision Engineering: 89.5mm bore size ensures a perfect match for standard and slightly over-bored FA20 engines.
  • Reliability: Designed to handle extreme load conditions and thermal cycling.
  • Fitment: Optimized specifically for the left-hand side (LHS) of the FA20 DOHC platform.

The Cometic MLX gasket is not just a replacement part; it is a performance upgrade. By providing a consistent, durable seal, it protects your engine from the common issues associated with head gasket failure, such as coolant loss or loss of cylinder pressure. Whether you are building a street machine or a dedicated track car, this gasket provides the peace of mind you need to push your vehicle to the limit. At GGCRACING, we are committed to providing the highest quality engine components to keep your performance vehicle running at its best.

Vehicle Fitment

Years Make Model Trim
2013-2016 Scion FR-S Base
2013-2019 Subaru BRZ Premium
2013-2020 Subaru BRZ Limited
2015 Subaru BRZ Series.Blue
2016 Subaru BRZ Series.HyperBlue
2004-2006 Subaru Baja Turbo
2004-2005 Subaru Forester XT
2007 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2003-2012 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2007 Subaru Impreza WRX STI Limited
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2006 Subaru Legacy GT
2005 Subaru Legacy GT Limited
2007-2009 Subaru Legacy GT Limited
2005-2009 Subaru Outback XT Limited
2017 Toyota 86 Special Edition
2017-2020 Toyota 86 Base
2018-2020 Toyota 86 GT
2019 Toyota 86 TRD Special Edition
2020 Toyota 86 Hakone Edition

Product Details

Product Description
Part Numbers
Sizing & Fit

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.

Engineered for Subaru FA20 DOHC Performance

The Cometic MLX Head Gasket is the gold standard for Subaru FA20 DOHC engine builds. This .042-inch thick gasket is designed to provide a robust, reliable seal for high-performance applications, ensuring that your engine maintains optimal compression under the most demanding conditions. The multi-layer stainless steel (MLS) design is specifically engineered to resist the high-heat and high-pressure environments found in modern turbocharged Subaru engines.

Why Choose Cometic MLX?

  • Advanced Materials: Multi-layer stainless steel provides unmatched strength and resistance to corrosion.
  • Viton Coating: Heat-resistant Viton rubber coating ensures a leak-free seal across varying surface finishes.
  • Precision Engineering: 89.5mm bore size ensures a perfect match for standard and slightly over-bored FA20 engines.
  • Reliability: Designed to handle extreme load conditions and thermal cycling.
  • Fitment: Optimized specifically for the left-hand side (LHS) of the FA20 DOHC platform.

The Cometic MLX gasket is not just a replacement part; it is a performance upgrade. By providing a consistent, durable seal, it protects your engine from the common issues associated with head gasket failure, such as coolant loss or loss of cylinder pressure. Whether you are building a street machine or a dedicated track car, this gasket provides the peace of mind you need to push your vehicle to the limit. At GGCRACING, we are committed to providing the highest quality engine components to keep your performance vehicle running at its best.

Vehicle Fitment

Years Make Model Trim
2013-2016 Scion FR-S Base
2013-2019 Subaru BRZ Premium
2013-2020 Subaru BRZ Limited
2015 Subaru BRZ Series.Blue
2016 Subaru BRZ Series.HyperBlue
2004-2006 Subaru Baja Turbo
2004-2005 Subaru Forester XT
2007 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2003-2012 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2007 Subaru Impreza WRX STI Limited
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2006 Subaru Legacy GT
2005 Subaru Legacy GT Limited
2007-2009 Subaru Legacy GT Limited
2005-2009 Subaru Outback XT Limited
2017 Toyota 86 Special Edition
2017-2020 Toyota 86 Base
2018-2020 Toyota 86 GT
2019 Toyota 86 TRD Special Edition
2020 Toyota 86 Hakone Edition

Product Details

Product Description

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.

Engineered for Subaru FA20 DOHC Performance

The Cometic MLX Head Gasket is the gold standard for Subaru FA20 DOHC engine builds. This .042-inch thick gasket is designed to provide a robust, reliable seal for high-performance applications, ensuring that your engine maintains optimal compression under the most demanding conditions. The multi-layer stainless steel (MLS) design is specifically engineered to resist the high-heat and high-pressure environments found in modern turbocharged Subaru engines.

Why Choose Cometic MLX?

  • Advanced Materials: Multi-layer stainless steel provides unmatched strength and resistance to corrosion.
  • Viton Coating: Heat-resistant Viton rubber coating ensures a leak-free seal across varying surface finishes.
  • Precision Engineering: 89.5mm bore size ensures a perfect match for standard and slightly over-bored FA20 engines.
  • Reliability: Designed to handle extreme load conditions and thermal cycling.
  • Fitment: Optimized specifically for the left-hand side (LHS) of the FA20 DOHC platform.

The Cometic MLX gasket is not just a replacement part; it is a performance upgrade. By providing a consistent, durable seal, it protects your engine from the common issues associated with head gasket failure, such as coolant loss or loss of cylinder pressure. Whether you are building a street machine or a dedicated track car, this gasket provides the peace of mind you need to push your vehicle to the limit. At GGCRACING, we are committed to providing the highest quality engine components to keep your performance vehicle running at its best.

Vehicle Fitment

Years Make Model Trim
2013-2016 Scion FR-S Base
2013-2019 Subaru BRZ Premium
2013-2020 Subaru BRZ Limited
2015 Subaru BRZ Series.Blue
2016 Subaru BRZ Series.HyperBlue
2004-2006 Subaru Baja Turbo
2004-2005 Subaru Forester XT
2007 Subaru Forester XT Limited
2008 Subaru Forester Sports 2.5 XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2003-2012 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX TR
2007 Subaru Impreza WRX STI Limited
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2003-2006 Subaru Legacy GT
2005 Subaru Legacy GT Limited
2007-2009 Subaru Legacy GT Limited
2005-2009 Subaru Outback XT Limited
2017 Toyota 86 Special Edition
2017-2020 Toyota 86 Base
2018-2020 Toyota 86 GT
2019 Toyota 86 TRD Special Edition
2020 Toyota 86 Hakone Edition

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