Cometic MLX Head Gasket 4.150in Bore .054in Thick — Fits 6.4L Hemi

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SKU: CGSC15172-054
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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.

Cometic MLX Head Gasket for 6.4L Apache Hemi

Achieve an uncompromising seal with the Cometic MLX (Multi-Layer Exclusive) cylinder head gasket, specifically engineered for the Chrysler 6.4L Apache Gen-3 Hemi engine. This gasket features a 4.150-inch bore and a .054-inch thickness, providing the ideal compression ratio and sealing surface for high-performance and forced-induction applications. Cometic's advanced MLX technology utilizes a stainless steel outer layer with an integrated stopper fold, ensuring maximum clamp load and durability under extreme cylinder pressures.

Product Highlights:

  • Engine Compatibility: 6.4L Apache Gen-3 Hemi
  • Bore Size: 4.150 inches
  • Thickness: .054 inches
  • Construction: MLX Multi-Layer Steel with stopper fold
  • Position: Right Hand Side (RHS)

Designed to withstand the rigors of high-horsepower builds, this gasket prevents combustion gas leakage and coolant migration, common failure points in high-output Hemi engines. The precise engineering ensures a perfect fit for a wide range of vehicles, including the Dodge Challenger, Charger, Jeep Grand Cherokee SRT, and Ram 2500/3500 models. Whether you are building a street-strip monster or a dedicated track vehicle, the Cometic MLX gasket provides the reliability you need to push your engine to the limit. Proper surface preparation and torque sequence are critical for optimal performance. Trust your engine build to the industry-leading sealing technology found 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.

Cometic MLX Head Gasket for 6.4L Apache Hemi

Achieve an uncompromising seal with the Cometic MLX (Multi-Layer Exclusive) cylinder head gasket, specifically engineered for the Chrysler 6.4L Apache Gen-3 Hemi engine. This gasket features a 4.150-inch bore and a .054-inch thickness, providing the ideal compression ratio and sealing surface for high-performance and forced-induction applications. Cometic's advanced MLX technology utilizes a stainless steel outer layer with an integrated stopper fold, ensuring maximum clamp load and durability under extreme cylinder pressures.

Product Highlights:

  • Engine Compatibility: 6.4L Apache Gen-3 Hemi
  • Bore Size: 4.150 inches
  • Thickness: .054 inches
  • Construction: MLX Multi-Layer Steel with stopper fold
  • Position: Right Hand Side (RHS)

Designed to withstand the rigors of high-horsepower builds, this gasket prevents combustion gas leakage and coolant migration, common failure points in high-output Hemi engines. The precise engineering ensures a perfect fit for a wide range of vehicles, including the Dodge Challenger, Charger, Jeep Grand Cherokee SRT, and Ram 2500/3500 models. Whether you are building a street-strip monster or a dedicated track vehicle, the Cometic MLX gasket provides the reliability you need to push your engine to the limit. Proper surface preparation and torque sequence are critical for optimal performance. Trust your engine build to the industry-leading sealing technology found 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.

Cometic MLX Head Gasket for 6.4L Apache Hemi

Achieve an uncompromising seal with the Cometic MLX (Multi-Layer Exclusive) cylinder head gasket, specifically engineered for the Chrysler 6.4L Apache Gen-3 Hemi engine. This gasket features a 4.150-inch bore and a .054-inch thickness, providing the ideal compression ratio and sealing surface for high-performance and forced-induction applications. Cometic's advanced MLX technology utilizes a stainless steel outer layer with an integrated stopper fold, ensuring maximum clamp load and durability under extreme cylinder pressures.

Product Highlights:

  • Engine Compatibility: 6.4L Apache Gen-3 Hemi
  • Bore Size: 4.150 inches
  • Thickness: .054 inches
  • Construction: MLX Multi-Layer Steel with stopper fold
  • Position: Right Hand Side (RHS)

Designed to withstand the rigors of high-horsepower builds, this gasket prevents combustion gas leakage and coolant migration, common failure points in high-output Hemi engines. The precise engineering ensures a perfect fit for a wide range of vehicles, including the Dodge Challenger, Charger, Jeep Grand Cherokee SRT, and Ram 2500/3500 models. Whether you are building a street-strip monster or a dedicated track vehicle, the Cometic MLX gasket provides the reliability you need to push your engine to the limit. Proper surface preparation and torque sequence are critical for optimal performance. Trust your engine build to the industry-leading sealing technology found 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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