Cometic Hemi 5.7L 3.950in Bore .027in MLS Head Gasket — Fits 2003-2007 Dodge Ram & Chrysler

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SKU: CGSC5468-027

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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
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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 Sealing for 5.7L Hemi Engines

Ensure your engine build maintains maximum compression with the Cometic .027 inch MLS (Multi-Layer Steel) head gasket. Specifically designed for the 5.7L Hemi platform, this gasket provides a robust seal for high-output applications. The multi-layer stainless steel construction offers superior rebound and corrosion resistance compared to standard gaskets.

Technical Specifications

  • Bore Size: 3.950 inches
  • Compressed Thickness: .027 inches
  • Material: Multi-Layer Stainless Steel
  • Coating: Viton rubber (heat resistant to 482°F)
  • Application: Left Hand Side (LHS)

The outer layers are precision-embossed and coated with Viton, a high-temperature fluoroelastomer that conforms to surface finishes, ensuring a leak-free seal even under extreme cylinder pressures. This design is ideal for both aluminum and cast-iron block combinations, effectively managing the shearing forces generated by thermal expansion. Whether you are refreshing a stock engine or building a high-performance street machine, this gasket provides the reliability required for demanding environments. Trust the quality of Cometic Gasket for your next project at GGCRACING.

…and 32 additional fitments. Contact us to confirm yours.

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 Sealing for 5.7L Hemi Engines

Ensure your engine build maintains maximum compression with the Cometic .027 inch MLS (Multi-Layer Steel) head gasket. Specifically designed for the 5.7L Hemi platform, this gasket provides a robust seal for high-output applications. The multi-layer stainless steel construction offers superior rebound and corrosion resistance compared to standard gaskets.

Technical Specifications

  • Bore Size: 3.950 inches
  • Compressed Thickness: .027 inches
  • Material: Multi-Layer Stainless Steel
  • Coating: Viton rubber (heat resistant to 482°F)
  • Application: Left Hand Side (LHS)

The outer layers are precision-embossed and coated with Viton, a high-temperature fluoroelastomer that conforms to surface finishes, ensuring a leak-free seal even under extreme cylinder pressures. This design is ideal for both aluminum and cast-iron block combinations, effectively managing the shearing forces generated by thermal expansion. Whether you are refreshing a stock engine or building a high-performance street machine, this gasket provides the reliability required for demanding environments. Trust the quality of Cometic Gasket for your next project at GGCRACING.

…and 32 additional fitments. Contact us to confirm yours.

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