Cometic HEMI 6.4L 4.150in Bore .054in MLX Head Gasket — Fits 2011-2019 Chrysler Dodge Jeep Ram

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SKU: CGSC15173-054
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Sale price$124.08 Regular price$137.84
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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 Sealing for 6.4L HEMI Engines

Ensure your engine's integrity with the Cometic 6.4L HEMI MLX Head Gasket. Designed for the 6.4L Apache Gen-3 HEMI platform, this .054in thick gasket features a 4.150in bore to provide a precise fit for high-performance builds. Cometic's multi-layer steel (MLS) technology combined with an integrated shim provides maximum clamp load and superior combustion chamber sealing, even under extreme pressure and temperature conditions.

Key Features and Benefits

  • Advanced MLX Technology: Features a folded stopper layer for enhanced sealing around the combustion chamber.
  • Precision Fitment: Specifically engineered for 6.4L HEMI engines to ensure optimal coolant and oil passage alignment.
  • Durability: Stainless steel construction resists corrosion and provides long-term reliability for both street and track applications.
  • Thickness: .054in thickness allows for precise compression ratio tuning.

This left-hand side head gasket is the ideal choice for enthusiasts looking to maintain peak performance in their Chrysler, Dodge, Jeep, or Ram vehicles. Whether you are rebuilding your engine or upgrading for more power, trust in the engineering excellence of Cometic. Find this and other premium engine components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2014 Chrysler 300 SRT8
2013 Chrysler 300 SRT8 Core
2011-2014 Dodge Challenger SRT8
2015 Dodge Challenger Scat Pack
2016 Dodge Challenger 392 Hemi Scat Pack Shaker
2016 Dodge Challenger R/T Scat Pack
2017-2018 Dodge Challenger T/A 392
2017-2018 Dodge Challenger R/T 392
2019 Dodge Challenger R/T Scat Pack
2015-2016 Dodge Charger R/T Scat Pack
2015-2018 Dodge Charger SRT 392
2017-2018 Dodge Charger Daytona 392
2017-2018 Dodge Charger R/T 392
2019 Dodge Charger Scat Pack
2018-2019 Dodge Durango SRT
2012-2013 Jeep Grand Cherokee SRT8
2014-2019 Jeep Grand Cherokee SRT
2014-2015 Ram 2500 Lone Star
2014-2015 Ram 2500 Laramie Limited
2014-2016 Ram 2500 Outdoorsman
2014-2018 Ram 2500 SLT
2014-2019 Ram 2500 Power Wagon
2014-2019 Ram 2500 Tradesman
2014-2019 Ram 2500 Big Horn
2014-2019 Ram 2500 Laramie
2014-2019 Ram 2500 Laramie Longhorn
2019 Ram 2500 Lone Star
2014-2015 Ram 3500 Lone Star
2014-2019 Ram 3500 Big Horn
2014-2019 Ram 3500 Laramie
2014-2019 Ram 3500 SLT
2014-2019 Ram 3500 Tradesman
2016-2019 Ram 3500 Limited
2017 Ram 3500 Lone Star
2019 Ram 3500 Lone Star

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 Sealing for 6.4L HEMI Engines

Ensure your engine's integrity with the Cometic 6.4L HEMI MLX Head Gasket. Designed for the 6.4L Apache Gen-3 HEMI platform, this .054in thick gasket features a 4.150in bore to provide a precise fit for high-performance builds. Cometic's multi-layer steel (MLS) technology combined with an integrated shim provides maximum clamp load and superior combustion chamber sealing, even under extreme pressure and temperature conditions.

Key Features and Benefits

  • Advanced MLX Technology: Features a folded stopper layer for enhanced sealing around the combustion chamber.
  • Precision Fitment: Specifically engineered for 6.4L HEMI engines to ensure optimal coolant and oil passage alignment.
  • Durability: Stainless steel construction resists corrosion and provides long-term reliability for both street and track applications.
  • Thickness: .054in thickness allows for precise compression ratio tuning.

This left-hand side head gasket is the ideal choice for enthusiasts looking to maintain peak performance in their Chrysler, Dodge, Jeep, or Ram vehicles. Whether you are rebuilding your engine or upgrading for more power, trust in the engineering excellence of Cometic. Find this and other premium engine components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2014 Chrysler 300 SRT8
2013 Chrysler 300 SRT8 Core
2011-2014 Dodge Challenger SRT8
2015 Dodge Challenger Scat Pack
2016 Dodge Challenger 392 Hemi Scat Pack Shaker
2016 Dodge Challenger R/T Scat Pack
2017-2018 Dodge Challenger T/A 392
2017-2018 Dodge Challenger R/T 392
2019 Dodge Challenger R/T Scat Pack
2015-2016 Dodge Charger R/T Scat Pack
2015-2018 Dodge Charger SRT 392
2017-2018 Dodge Charger Daytona 392
2017-2018 Dodge Charger R/T 392
2019 Dodge Charger Scat Pack
2018-2019 Dodge Durango SRT
2012-2013 Jeep Grand Cherokee SRT8
2014-2019 Jeep Grand Cherokee SRT
2014-2015 Ram 2500 Lone Star
2014-2015 Ram 2500 Laramie Limited
2014-2016 Ram 2500 Outdoorsman
2014-2018 Ram 2500 SLT
2014-2019 Ram 2500 Power Wagon
2014-2019 Ram 2500 Tradesman
2014-2019 Ram 2500 Big Horn
2014-2019 Ram 2500 Laramie
2014-2019 Ram 2500 Laramie Longhorn
2019 Ram 2500 Lone Star
2014-2015 Ram 3500 Lone Star
2014-2019 Ram 3500 Big Horn
2014-2019 Ram 3500 Laramie
2014-2019 Ram 3500 SLT
2014-2019 Ram 3500 Tradesman
2016-2019 Ram 3500 Limited
2017 Ram 3500 Lone Star
2019 Ram 3500 Lone Star

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 Sealing for 6.4L HEMI Engines

Ensure your engine's integrity with the Cometic 6.4L HEMI MLX Head Gasket. Designed for the 6.4L Apache Gen-3 HEMI platform, this .054in thick gasket features a 4.150in bore to provide a precise fit for high-performance builds. Cometic's multi-layer steel (MLS) technology combined with an integrated shim provides maximum clamp load and superior combustion chamber sealing, even under extreme pressure and temperature conditions.

Key Features and Benefits

  • Advanced MLX Technology: Features a folded stopper layer for enhanced sealing around the combustion chamber.
  • Precision Fitment: Specifically engineered for 6.4L HEMI engines to ensure optimal coolant and oil passage alignment.
  • Durability: Stainless steel construction resists corrosion and provides long-term reliability for both street and track applications.
  • Thickness: .054in thickness allows for precise compression ratio tuning.

This left-hand side head gasket is the ideal choice for enthusiasts looking to maintain peak performance in their Chrysler, Dodge, Jeep, or Ram vehicles. Whether you are rebuilding your engine or upgrading for more power, trust in the engineering excellence of Cometic. Find this and other premium engine components at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2012-2014 Chrysler 300 SRT8
2013 Chrysler 300 SRT8 Core
2011-2014 Dodge Challenger SRT8
2015 Dodge Challenger Scat Pack
2016 Dodge Challenger 392 Hemi Scat Pack Shaker
2016 Dodge Challenger R/T Scat Pack
2017-2018 Dodge Challenger T/A 392
2017-2018 Dodge Challenger R/T 392
2019 Dodge Challenger R/T Scat Pack
2015-2016 Dodge Charger R/T Scat Pack
2015-2018 Dodge Charger SRT 392
2017-2018 Dodge Charger Daytona 392
2017-2018 Dodge Charger R/T 392
2019 Dodge Charger Scat Pack
2018-2019 Dodge Durango SRT
2012-2013 Jeep Grand Cherokee SRT8
2014-2019 Jeep Grand Cherokee SRT
2014-2015 Ram 2500 Lone Star
2014-2015 Ram 2500 Laramie Limited
2014-2016 Ram 2500 Outdoorsman
2014-2018 Ram 2500 SLT
2014-2019 Ram 2500 Power Wagon
2014-2019 Ram 2500 Tradesman
2014-2019 Ram 2500 Big Horn
2014-2019 Ram 2500 Laramie
2014-2019 Ram 2500 Laramie Longhorn
2019 Ram 2500 Lone Star
2014-2015 Ram 3500 Lone Star
2014-2019 Ram 3500 Big Horn
2014-2019 Ram 3500 Laramie
2014-2019 Ram 3500 SLT
2014-2019 Ram 3500 Tradesman
2016-2019 Ram 3500 Limited
2017 Ram 3500 Lone Star
2019 Ram 3500 Lone Star

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