Cometic MLS Head Gasket 80mm .030in — Fits 1.6L Mazda Miata B6D

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SKU: CGSC4122-030
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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.

High-Performance MLS Head Gasket for Mazda B6D

Achieve the ultimate seal for your 1.6L Mazda Miata B6D engine with the Cometic Multi-Layer Steel (MLS) Head Gasket. Engineered for high-output applications, this .030-inch compressed thickness gasket is the gold standard for enthusiasts demanding reliability under boost or high-compression conditions. Cometic's advanced design utilizes multiple embossed layers of stainless steel to provide superior strength and sealing capabilities.

Key Features & Advantages

  • Material: Multi-Layer Stainless Steel with Viton rubber coating
  • Thickness: .030 inch compressed for optimal compression ratio
  • Bore Size: 80mm
  • Compatibility: Designed for Mazda 1.6L B6D engines (Miata, 323, Capri)
  • Performance: Requires no additional sealants; resists corrosion and shearing

The outer layers of the gasket are coated with Viton, a high-temperature fluoroelastomer rubber that remains stable up to 250°C (482°F). This coating ensures a superior seal even on surfaces that may have minor imperfections. Because the gasket is constructed from multiple layers of stainless steel, it has the ability to rebound during engine thermal cycling, maintaining a consistent seal between the cylinder head and engine block. Whether you are building a naturally aspirated track car or a turbocharged street machine, this gasket provides the durability to prevent leaks and protect your engine's integrity. Trust your engine build to the precision engineering of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988 Mazda 323 DX
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1989 Mazda 323 LX
1988-1993 Mazda 323 Base
1988-1993 Mazda 323 SE
1992-1993 Mazda MX-3 Base
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1991-1994 Mercury Capri XR2

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.

High-Performance MLS Head Gasket for Mazda B6D

Achieve the ultimate seal for your 1.6L Mazda Miata B6D engine with the Cometic Multi-Layer Steel (MLS) Head Gasket. Engineered for high-output applications, this .030-inch compressed thickness gasket is the gold standard for enthusiasts demanding reliability under boost or high-compression conditions. Cometic's advanced design utilizes multiple embossed layers of stainless steel to provide superior strength and sealing capabilities.

Key Features & Advantages

  • Material: Multi-Layer Stainless Steel with Viton rubber coating
  • Thickness: .030 inch compressed for optimal compression ratio
  • Bore Size: 80mm
  • Compatibility: Designed for Mazda 1.6L B6D engines (Miata, 323, Capri)
  • Performance: Requires no additional sealants; resists corrosion and shearing

The outer layers of the gasket are coated with Viton, a high-temperature fluoroelastomer rubber that remains stable up to 250°C (482°F). This coating ensures a superior seal even on surfaces that may have minor imperfections. Because the gasket is constructed from multiple layers of stainless steel, it has the ability to rebound during engine thermal cycling, maintaining a consistent seal between the cylinder head and engine block. Whether you are building a naturally aspirated track car or a turbocharged street machine, this gasket provides the durability to prevent leaks and protect your engine's integrity. Trust your engine build to the precision engineering of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988 Mazda 323 DX
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1989 Mazda 323 LX
1988-1993 Mazda 323 Base
1988-1993 Mazda 323 SE
1992-1993 Mazda MX-3 Base
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1991-1994 Mercury Capri XR2

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.

High-Performance MLS Head Gasket for Mazda B6D

Achieve the ultimate seal for your 1.6L Mazda Miata B6D engine with the Cometic Multi-Layer Steel (MLS) Head Gasket. Engineered for high-output applications, this .030-inch compressed thickness gasket is the gold standard for enthusiasts demanding reliability under boost or high-compression conditions. Cometic's advanced design utilizes multiple embossed layers of stainless steel to provide superior strength and sealing capabilities.

Key Features & Advantages

  • Material: Multi-Layer Stainless Steel with Viton rubber coating
  • Thickness: .030 inch compressed for optimal compression ratio
  • Bore Size: 80mm
  • Compatibility: Designed for Mazda 1.6L B6D engines (Miata, 323, Capri)
  • Performance: Requires no additional sealants; resists corrosion and shearing

The outer layers of the gasket are coated with Viton, a high-temperature fluoroelastomer rubber that remains stable up to 250°C (482°F). This coating ensures a superior seal even on surfaces that may have minor imperfections. Because the gasket is constructed from multiple layers of stainless steel, it has the ability to rebound during engine thermal cycling, maintaining a consistent seal between the cylinder head and engine block. Whether you are building a naturally aspirated track car or a turbocharged street machine, this gasket provides the durability to prevent leaks and protect your engine's integrity. Trust your engine build to the precision engineering of Cometic, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988 Mazda 323 DX
1988 Mazda 323 GT
1988-1989 Mazda 323 GTX
1988-1989 Mazda 323 LX
1988-1993 Mazda 323 Base
1988-1993 Mazda 323 SE
1992-1993 Mazda MX-3 Base
1990-1993 Mazda Miata Base
1991 Mazda Miata SE
1993 Mazda Miata LE
1991-1994 Mercury Capri XR2

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