
Specifications
- Brand
- Cometic Gasket
- Part #
- C4623-030
- UPC
- 191070057787

Cometic Subaru EZ30D mk II .030in MLS Cylinder Head Gasket - 90mm Bore - LHS
$90.16
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Cometic Subaru EZ30D mk II .030in MLS head gasket for 90mm bore engines. Features Viton coating for tough sealing.
Key Features
- Fits Subaru EZ30D mk II engines with a 90mm bore.
- This is the Left Hand Side (LHS) head gasket.
- It is a .030 inch undersize gasket, suitable for machined blocks.
- Constructed from multiple layers of stainless steel for strength and corrosion resistance.
- Outer layers are embossed and coated with heat-resistant Viton rubber for a reliable seal.
- Viton coating can withstand temperatures up to 482°F (250°C).
⚠️ 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
Product Details
When you're rebuilding the top end of your Subaru EZ30D mk II engine, a good cylinder head gasket is crucial for sealing the combustion chamber and coolant passages. This MLS (Multi-Layer Steel) gasket from Cometic is built to handle the pressures and temperatures found in these engines, fitting a 90mm bore and designed for the Left Hand Side (LHS) of the engine.
Cometic constructs this gasket from multiple layers of stainless steel, which gives it increased strength and resistance to corrosion. The outer layers are specially treated with a Viton rubber coating on both sides. This coating is heat resistant up to 482°F (250°C) and helps the gasket conform to different surface finishes, ensuring a solid seal even in demanding conditions. This gasket is a .030 inch undersize, meaning it's intended for engines that have been machined down.
This gasket is designed to fit a range of vehicles, including models like the Subaru Outback, Legacy, and B9 Tribeca, as well as certain Mazda 323, Miata, and Protege applications. Always confirm fitment for your specific vehicle and engine build.
Specifications
- Brand
- Cometic Gasket
- Manufacturer Part #
- C4623-030
- UPC
- 191070057787
Frequently Asked Questions
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Cometic Subaru EZ30D mk II .030in MLS Cylinder Head Gasket - 90mm Bore - LHS

