What is the purpose of the Viton coating on this head gasket?

The Viton coating on the outer layers of the gasket helps create a strong seal in demanding environments. It's designed to meet the challenges of various sealing conditions, load requirements, and surface finishes on your engine block and cylinder head.

What does the .042 inch thickness and 89.5mm bore mean for my engine?

The .042 inch thickness and 89.5mm bore are specific measurements for this gasket, tailored for the Subaru FA20D and Toyota 4U-GSE engines. Using the correct bore size and thickness is important for proper engine compression and sealing.

Is this head gasket suitable for high-performance applications?

The multi-layer stainless steel construction and heat-resistant Viton coating are designed to handle harsh sealing environments and temperatures up to 482°F (250°C), making it a well-built option for various engine builds.

Specifications

Brand: Cometic Gasket
Part #: C4589-042
UPC: 191070075736

Cometic 12+ Subaru FA20 DOHC 89.5mm .042 inch MLX LHS Head Gasket

Name: Cometic 12+ Subaru FA20 DOHC 89.5mm .042 inch MLX LHS Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-12-subaru-fa20-dohc-89-5mm-042-inch-mlx-lhs-head-gasket-t14-144956
Price: 111.30 USD
Availability: InStock

$111.30

Only 5 left in stock

Cometic MLX head gasket for Subaru FA20D and Toyota 4U-GSE engines. Features a Viton coating for harsh sealing environments.

Key Features

Fits 2013-2020 Subaru BRZ, 2013-2016 Scion FR-S, 2017-2020 Toyota 86, and other Subaru and Toyota models.
Multi-layer stainless steel construction offers increased strength and corrosion resistance.
Embossed outer layers are coated with Viton rubber for superior sealing in harsh conditions.
Viton coating is heat resistant up to 482°F (250°C).
Features an 89.5mm bore size.
Has a thickness of .042 inches.

⚠️ 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 FA20D or Toyota 4U-GSE engine, a solid head gasket is crucial for sealing the combustion chamber and coolant passages. This Cometic MLX head gasket is built for that job, fitting a range of vehicles like the Subaru BRZ, Scion FR-S, and Toyota 86.

This gasket uses multiple layers of stainless steel, which gives it strength and helps it resist corrosion and rebound under pressure. The outer layers are coated with Viton, a heat-resistant rubber material that can handle tough sealing conditions and various surface finishes. This coating can withstand temperatures up to 482°F (250°C), making it suitable for demanding environments.

This particular gasket has a bore size of 89.5mm and a thickness of .042 inches, designed specifically for the FA20D engine. It's important to ensure you have the correct gasket for your specific engine build.