Cometic Ford 5.0L Gen-3 Coyote LHS .040in MLX Cylinder Head Gasket — Fits 2018-2023 Ford Mustang GT

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SKU: CGSC15549-040
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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.

Watch in action

Superior Sealing for Gen-3 Coyote Engines

The Cometic LHS .040in MLX Cylinder Head Gasket is the premier choice for enthusiasts and engine builders working on the Ford 5.0L Gen-3 Coyote platform. This Left Hand Side (LHS) gasket features Cometic’s proprietary MLX technology, which incorporates a stainless steel shim to boost clamp load directly around the combustion chamber. This is essential for maintaining a tight seal in the open-deck block design of the Gen-3 Coyote, preventing common failure points under high-boost or high-RPM conditions.

Technical Specifications

  • Application: Left Hand Side (LHS) for 5.0L Gen-3 Coyote
  • Thickness: .040 inch
  • Bore Size: 94.5mm
  • Construction: Multi-Layer Steel (MLX)
  • Compatibility: 2018-2023 Ford Mustang GT, 2019-2020 Mustang Bullitt

Cometic gaskets are renowned for their ability to withstand the rigors of competitive racing. By utilizing a multi-layer steel construction, this gasket provides excellent thermal stability and recovery, ensuring that your engine maintains its compression even after repeated heat cycles. The precision-engineered 94.5mm bore ensures that the gasket does not interfere with combustion chamber dynamics, promoting efficient flame propagation. When you demand the best for your Mustang's engine, Cometic delivers the reliability you need to push harder on the track. Explore our full range of engine sealing solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2023 Ford Mustang GT
2019-2020 Ford Mustang Bullitt

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.

Watch in action

Superior Sealing for Gen-3 Coyote Engines

The Cometic LHS .040in MLX Cylinder Head Gasket is the premier choice for enthusiasts and engine builders working on the Ford 5.0L Gen-3 Coyote platform. This Left Hand Side (LHS) gasket features Cometic’s proprietary MLX technology, which incorporates a stainless steel shim to boost clamp load directly around the combustion chamber. This is essential for maintaining a tight seal in the open-deck block design of the Gen-3 Coyote, preventing common failure points under high-boost or high-RPM conditions.

Technical Specifications

  • Application: Left Hand Side (LHS) for 5.0L Gen-3 Coyote
  • Thickness: .040 inch
  • Bore Size: 94.5mm
  • Construction: Multi-Layer Steel (MLX)
  • Compatibility: 2018-2023 Ford Mustang GT, 2019-2020 Mustang Bullitt

Cometic gaskets are renowned for their ability to withstand the rigors of competitive racing. By utilizing a multi-layer steel construction, this gasket provides excellent thermal stability and recovery, ensuring that your engine maintains its compression even after repeated heat cycles. The precision-engineered 94.5mm bore ensures that the gasket does not interfere with combustion chamber dynamics, promoting efficient flame propagation. When you demand the best for your Mustang's engine, Cometic delivers the reliability you need to push harder on the track. Explore our full range of engine sealing solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2023 Ford Mustang GT
2019-2020 Ford Mustang Bullitt

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.

Watch in action

Superior Sealing for Gen-3 Coyote Engines

The Cometic LHS .040in MLX Cylinder Head Gasket is the premier choice for enthusiasts and engine builders working on the Ford 5.0L Gen-3 Coyote platform. This Left Hand Side (LHS) gasket features Cometic’s proprietary MLX technology, which incorporates a stainless steel shim to boost clamp load directly around the combustion chamber. This is essential for maintaining a tight seal in the open-deck block design of the Gen-3 Coyote, preventing common failure points under high-boost or high-RPM conditions.

Technical Specifications

  • Application: Left Hand Side (LHS) for 5.0L Gen-3 Coyote
  • Thickness: .040 inch
  • Bore Size: 94.5mm
  • Construction: Multi-Layer Steel (MLX)
  • Compatibility: 2018-2023 Ford Mustang GT, 2019-2020 Mustang Bullitt

Cometic gaskets are renowned for their ability to withstand the rigors of competitive racing. By utilizing a multi-layer steel construction, this gasket provides excellent thermal stability and recovery, ensuring that your engine maintains its compression even after repeated heat cycles. The precision-engineered 94.5mm bore ensures that the gasket does not interfere with combustion chamber dynamics, promoting efficient flame propagation. When you demand the best for your Mustang's engine, Cometic delivers the reliability you need to push harder on the track. Explore our full range of engine sealing solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2018-2023 Ford Mustang GT
2019-2020 Ford Mustang Bullitt

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