Cometic MLS Head Gasket 84.5mm .030in — Fits Honda B-Series Engines

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SKU: CGSH1340SP1030S
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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.

Reliable Sealing for Honda B-Series

The Cometic MLS (Multi-Layer Steel) Head Gasket is the gold standard for Honda B-Series engine builds. Specifically designed for an 84.5mm bore and .030in thickness, this gasket provides the perfect seal for high-compression or forced induction applications. Cometic's advanced MLS technology utilizes multiple layers of stainless steel to provide superior spring-back and heat resistance, ensuring your engine maintains optimal combustion chamber integrity even under extreme boost or high-RPM conditions.

Performance Benefits

  • Multi-Layer Steel construction for maximum durability.
  • 84.5mm bore size optimized for bored-out B-Series blocks.
  • .030in thickness to help maintain or increase compression ratios.
  • Excellent thermal stability and resistance to blowout.
  • No re-torquing required after initial installation.

When building a high-performance Honda B-Series engine, the head gasket is the most critical component for preventing catastrophic failure. This Cometic gasket is engineered to handle the increased cylinder pressures associated with performance camshafts, aftermarket pistons, and turbocharging. Its precision-embossed layers create a robust seal that conforms to surface irregularities, providing peace of mind for both street and track use. Upgrade your engine's reliability and performance with this premium gasket from GGCRACING.

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.

Reliable Sealing for Honda B-Series

The Cometic MLS (Multi-Layer Steel) Head Gasket is the gold standard for Honda B-Series engine builds. Specifically designed for an 84.5mm bore and .030in thickness, this gasket provides the perfect seal for high-compression or forced induction applications. Cometic's advanced MLS technology utilizes multiple layers of stainless steel to provide superior spring-back and heat resistance, ensuring your engine maintains optimal combustion chamber integrity even under extreme boost or high-RPM conditions.

Performance Benefits

  • Multi-Layer Steel construction for maximum durability.
  • 84.5mm bore size optimized for bored-out B-Series blocks.
  • .030in thickness to help maintain or increase compression ratios.
  • Excellent thermal stability and resistance to blowout.
  • No re-torquing required after initial installation.

When building a high-performance Honda B-Series engine, the head gasket is the most critical component for preventing catastrophic failure. This Cometic gasket is engineered to handle the increased cylinder pressures associated with performance camshafts, aftermarket pistons, and turbocharging. Its precision-embossed layers create a robust seal that conforms to surface irregularities, providing peace of mind for both street and track use. Upgrade your engine's reliability and performance with this premium gasket from GGCRACING.

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.

Reliable Sealing for Honda B-Series

The Cometic MLS (Multi-Layer Steel) Head Gasket is the gold standard for Honda B-Series engine builds. Specifically designed for an 84.5mm bore and .030in thickness, this gasket provides the perfect seal for high-compression or forced induction applications. Cometic's advanced MLS technology utilizes multiple layers of stainless steel to provide superior spring-back and heat resistance, ensuring your engine maintains optimal combustion chamber integrity even under extreme boost or high-RPM conditions.

Performance Benefits

  • Multi-Layer Steel construction for maximum durability.
  • 84.5mm bore size optimized for bored-out B-Series blocks.
  • .030in thickness to help maintain or increase compression ratios.
  • Excellent thermal stability and resistance to blowout.
  • No re-torquing required after initial installation.

When building a high-performance Honda B-Series engine, the head gasket is the most critical component for preventing catastrophic failure. This Cometic gasket is engineered to handle the increased cylinder pressures associated with performance camshafts, aftermarket pistons, and turbocharging. Its precision-embossed layers create a robust seal that conforms to surface irregularities, providing peace of mind for both street and track use. Upgrade your engine's reliability and performance with this premium gasket from GGCRACING.

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