Cometic Ford 289/302/351 MLS Head Gasket 4.03in .040

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SKU: CGSC5511-040

About Cometic Gasket Cometic Gasket is the world leader in ...Read more

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Sale price$87.99 Regular price$97.72
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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.

Ultimate Sealing for Ford Small Block V8 Engines

Ensure your engine maintains peak compression with the Cometic MLS (Multi-Layer Steel) Head Gasket. Specifically engineered for Ford 289, 302, and 351 engines, this 4.03-inch bore gasket features a compressed thickness of .040 inches, making it the ideal choice for high-output street and race applications. Unlike traditional composite gaskets, this MLS design requires no additional sealants, providing a clean, reliable installation.

Advanced Multi-Layer Technology

The Cometic MLS gasket is constructed from multiple layers of stainless steel, offering superior strength and the ability to rebound under extreme thermal cycling. Each outer layer is precision-embossed and coated with a high-temperature Viton rubber compound. This specialized coating is heat-resistant up to 482°F (250°C), ensuring a perfect seal even when dealing with the expansion and contraction rates of mixed-material engines, such as aluminum heads on cast iron blocks.

Key Features and Benefits:

  • Material: Multi-layer stainless steel for maximum durability.
  • Coating: Viton-coated outer layers for superior micro-sealing.
  • Thickness: .040 compressed thickness for optimal quench area.
  • Compatibility: Designed for non-SVO Ford 289/302/351 V8s.
  • Performance: Resists shearing forces and prevents corrosion.

Whether you are building a classic Bronco or a high-performance street machine, trust the engineering excellence of Cometic. Find all your engine sealing solutions at GGCRACING.

…and 288 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.

Ultimate Sealing for Ford Small Block V8 Engines

Ensure your engine maintains peak compression with the Cometic MLS (Multi-Layer Steel) Head Gasket. Specifically engineered for Ford 289, 302, and 351 engines, this 4.03-inch bore gasket features a compressed thickness of .040 inches, making it the ideal choice for high-output street and race applications. Unlike traditional composite gaskets, this MLS design requires no additional sealants, providing a clean, reliable installation.

Advanced Multi-Layer Technology

The Cometic MLS gasket is constructed from multiple layers of stainless steel, offering superior strength and the ability to rebound under extreme thermal cycling. Each outer layer is precision-embossed and coated with a high-temperature Viton rubber compound. This specialized coating is heat-resistant up to 482°F (250°C), ensuring a perfect seal even when dealing with the expansion and contraction rates of mixed-material engines, such as aluminum heads on cast iron blocks.

Key Features and Benefits:

  • Material: Multi-layer stainless steel for maximum durability.
  • Coating: Viton-coated outer layers for superior micro-sealing.
  • Thickness: .040 compressed thickness for optimal quench area.
  • Compatibility: Designed for non-SVO Ford 289/302/351 V8s.
  • Performance: Resists shearing forces and prevents corrosion.

Whether you are building a classic Bronco or a high-performance street machine, trust the engineering excellence of Cometic. Find all your engine sealing solutions at GGCRACING.

…and 288 additional fitments. Contact us to confirm yours.

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