Designed for high-performance Honda/Acura K20 and K24 engines, this Cometic Multi-Layer Steel (MLS) head gasket provides a superior seal under the demands of harsh combustion environments. Its three-layer construction features embossed outer layers that maintain their seal across a variety of load conditions and surface finishes, making it ideal for both naturally aspirated and forced induction builds.

The H2003SP1030S gasket utilizes an uncoated stainless steel center shim to achieve precise thickness and uniform load distribution. This advanced engineering requires less clamp load to achieve a perfect seal, which effectively reduces cylinder bore distortion and promotes better piston ring sealing. Whether you are refreshing a street build or assembling a competition engine, this MLS gasket delivers the durability and precision required for the K-series platform.

• Engine Series: K20 / K24
• Bore Diameter: 86.5mm
• Thickness: .030 inch
• Material: Multi-Layer Steel (MLS)
• Center Layer: Uncoated stainless steel shim
• Manufacturer Part Number: H2003SP1030S

Engineered for high-performance sealing, the Cometic Multi-Layer Steel (MLS) Head Gasket is designed specifically for Honda K-Series engines utilizing a 90.0mm bore. This gasket is manufactured with both oil holes to ensure proper lubrication flow and broad compatibility across different block and head combinations.

The construction features embossed outer layers of stainless steel that conform to a variety of surface finishes and load conditions, providing a robust seal in harsh combustion environments. Its uncoated stainless steel center shim layer provides structural integrity while the overall design requires less clamp load, which helps reduce bore distortion and ensures uniform load distribution across the sealing surface.

• Manufacturer Part Number: H1912SP1051S
• Bore Diameter: 90.0mm
• Thickness: 0.051 inch
• Construction: Multi-Layer Steel (MLS)
• Special Features: Includes both oil holes; embossed outer sealing layers

Fits Nissan SR20DE and SR20DET S14 engines.

This Cometic Multi-Layer Steel (MLS) head gasket provides a superior sealing solution for high-performance Nissan SR20 powerplants. Specifically designed for the S14 block, this gasket features both oil hole provisions to ensure compatibility and proper fluid flow. The MLS construction consists of embossed outer layers of stainless steel coated with a FKM (Viton) rubber-based material to meet the demands of harsh sealing environments and varying surface finishes.

The uncoated stainless steel center shim allows for precise thickness requirements while the overall design requires less clamp load than traditional gaskets. This reduction in clamp load results in less cylinder bore distortion, ensuring better ring seal and engine longevity under high-boost or high-compression conditions.

• Manufacturer Part Number: H1796SP7051S
• Bore Size: 86mm
• Thickness: .051 inch
• Material: Multi-Layer Steel (MLS)
• Configuration: Dual oil hole design for S14 blocks
• Center Layer: Uncoated stainless steel shim

Fits Nissan SR20DE and SR20DET S14 engines. This Cometic Multi-Layer Steel (MLS) Head Gasket is engineered to meet the demands of high-performance sealing environments, providing a reliable solution for engines under heavy load. This specific S14-compatible version features an 87mm bore and a .051 inch thickness, and it is manufactured with both oil holes to ensure proper lubrication flow through the block and head.

Constructed with embossed outer layers, this gasket handles varying surface finishes while requiring less clamp load than standard gaskets, which helps reduce bore distortion. The center shim layer is made from uncoated stainless steel, ensuring precise thickness and long-term durability under extreme cylinder pressures.

• Manufacturer Part Number: H1796SP6051S
• Bore Size: 87mm
• Thickness: .051 inch
• Material: Multi-Layer Steel (MLS)
• Features both S14 block oil holes
• Reduced bore distortion via optimized clamp load distribution
• Stainless steel shim layer for structural integrity

Designed for high-performance sealing on Nissan SR20DE and SR20DET S14 engines, this Cometic Multi-Layer Steel (MLS) head gasket provides superior thermal load distribution and reduced bore distortion. This specific gasket features an 87mm bore and .040" thickness, and is configured with both oil holes to ensure proper lubrication flow between the block and cylinder head across various casting versions.

• Bore Size: 87mm
• Thickness: .040 inch
• Material: Multi-Layer Steel (MLS)
• Construction: Embossed outer layers with an uncoated stainless steel shim layer
• Fitment: Nissan SR20DE / SR20DET (S14 Chassis)
• MPN: H1796SP6040S

The embossed outer layers are engineered to meet the demands of harsh combustion environments and varied surface finishes. By requiring less clamp load than composite gaskets, this MLS design helps minimize cylinder bore distortion while providing a reliable seal for forced induction or high-compression naturally aspirated builds.

Fits Nissan SR20DET engines (86.5mm oversized bore).

The Cometic H1796SP1051S Multi-Layer Steel (MLS) head gasket provides a superior sealing solution for high-performance Nissan SR20DET builds. Engineered for 86.5mm bores (+0.5mm oversized), this .051-inch gasket utilizes embossed outer layers to manage high cylinder pressures and harsh load conditions. The multi-layer design requires less clamp load than traditional composite gaskets, effectively reducing bore distortion for improved ring seal and longevity.

This specific H1796SP1051S configuration is designed without extra oil holes, making it the correct choice for specific block and cylinder head combinations requiring this exact oiling circuit layout. The uncoated stainless steel shim center layer ensures structural integrity while providing precise thickness control.

• Manufacturer Part Number: H1796SP1051S
• Bore Diameter: 86.5mm
• Thickness: .051in
• Material: Multi-Layer Steel (MLS)
• Center Layer: Stainless steel shim
• Configuration: No extra oil holes
• Ideal for high-boost and forced induction applications

This Cometic Multi-Layer Steel (MLS) head gasket is engineered to provide a superior seal for high-performance Nissan SR16VE and SR20VE engines. Featuring an 87mm bore and a .045in thickness, this gasket utilizes embossed outer layers to meet the demands of harsh combustion environments and various surface finishes. The multi-layer design requires less clamp load than traditional gaskets, effectively reducing cylinder bore distortion for better ring seal and longevity.

• Precision-engineered for Nissan SR16VE and SR20VE engines
• Bore Size: 87mm
• Thickness: .045in
• Construction: Multi-Layer Steel (MLS) for maximum durability
• Uncoated stainless steel center shim layer allows for precise thickness tolerances
• Embossed outer layers provide a reliable seal across the entire surface area
• Optimized load distribution minimizes bore distortion
• Configuration: No extra oil holes
• Manufacturer Part Number: H1794045S

Designed for Subaru EJ22/25 hybrid engine builds (DOHC 16V), this Cometic Multi-Layer Steel (MLS) head gasket provides a superior sealing solution for high-performance applications.

The gasket features embossed outer layers specifically engineered to meet the demands of harsh sealing environments, varied load conditions, and different surface finishes. The center shim layer is constructed from uncoated stainless steel, ensuring a precise and consistent thickness. This design is optimized to require less clamp load than traditional head gaskets, which reduces cylinder bore distortion and promotes even load distribution across the entire sealing area.

• Manufacturer Part Number: H1631SPK051S
• Bore Size: 100mm
• Thickness: .051 inch
• Material: Multi-Layer Steel (MLS)
• Construction: Embossed outer layers with a stainless steel shim
• Fitment: Subaru EJ22/25 Hybrid Motor DOHC 16V

This Cometic head gasket is engineered to provide superior sealing for Honda B Series engines. It is designed to conform load distribution evenly across the entire sealing area, which significantly reduces bore distortion and improves cylinder ring seal. Built for high-performance applications, it requires no additional sealants and eliminates the need for a re-torque after initial heat cycles.

• Fits Engine: Honda B Series
• Bore Diameter: 84.5mm
• Thickness: .030"
• Manufacturer Part Number: H1340SP1030S
• Features: No sealants or re-torque required
• Function: Distributes load across sealing surfaces to prevent leaks

Fits select 2003-2010 Ford Mustang, Explorer, F-150, Lincoln Aviator, and Mercury Mountaineer models (4.6L).

This Cometic Multi-Layer Steel (MLS) head gasket is engineered to provide maximum sealing performance for high-output engines without the need for additional sealants. Designed for the right-hand side (RHS), this gasket features a 94mm bore and a compressed operating thickness of 0.030 inch. Its multi-layer stainless steel construction is ideal for both aluminum-to-aluminum and aluminum-to-cast iron head and block combinations, effectively managing the shearing forces created by dissimilar materials.

The outer layers are embossed and coated with Viton, a fluoroelastomer rubber capable of withstanding temperatures up to 250°C (482°F). This advanced coating ensures a reliable seal across various surface finishes and load conditions. The uncoated stainless steel shim layer provides structural integrity and allows for precise thickness tolerances, resulting in more uniform load distribution and reduced cylinder bore distortion compared to traditional gasket designs.

• Individual Right-Hand Side (RHS) head gasket
• 94mm bore diameter
• 0.030 inch compressed thickness
• Multi-Layer Steel (MLS) construction for superior rebound and corrosion resistance
• Embossed outer layers with Viton coating for harsh sealing environments
• Reduces clamp load requirements to minimize bore distortion
• Manufacturer Part Number: C5970-030

This Cometic Multi-Layer Steel (MLS) head gasket fits select 2003-2010 Ford Mustang, Explorer, and F-150, as well as Lincoln Aviator and Mercury Mountaineer models equipped with the 4.6L engine. Designed for the left-hand side (LHS), it provides a superior seal for high-output applications without the need for additional sealants.

Constructed from multiple layers of embossed stainless steel, this gasket is engineered to withstand the shearing forces found in both aluminum-to-aluminum and aluminum-to-iron engine configurations. The outer layers are coated with Viton, a heat-resistant fluoroelastomer capable of withstanding temperatures up to 250°C (482°F), ensuring a reliable seal across various surface finishes and load conditions. The stainless steel shim layer allows for precise thickness control while maintaining the ability to rebound and resist corrosion.

• Manufacturer Part Number: C5969-030
• Bore Size: 94mm
• Compressed Thickness: 0.030 inch
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber coating on outer layers
• Configuration: Left Side (LHS)
• Reduces bore distortion by requiring less clamp load
• Excellent rebound and corrosion resistance

Fits 1989-1998 Dodge D250, D350, W250, W350, Ram 2500, and Ram 3500 with the Cummins Diesel engine.

Engineered for the extreme cylinder pressures of high-output diesel engines, the Cometic MLX (Multi-Layer Steel-Stopper) head gasket provides a superior seal without the need for additional sealants or copper spray. This gasket is constructed from multiple embossed layers of stainless steel, providing the structural integrity needed to withstand the shearing forces created by the thermal expansion of aluminum heads on cast iron blocks. The stainless steel construction also provides the spring-like properties required to rebound and maintain a consistent seal under varying load conditions.

The outer layers are coated with a .001" thick layer of Viton, a fluoroelastomer rubber that is heat resistant up to 250°C (482°F). This specialized coating ensures a reliable micro-seal across various surface finishes, while the integrated stopper layer provides increased clamp load around the combustion chamber to prevent gasket failure and bore distortion.

• Bore Size: 4.188 inches
• Compressed Thickness: .067 inches
• Material: Embossed Stainless Steel with Viton coating
• Resists corrosion and maintains tension over time
• Ideal for heavy-duty towing and high-boost applications
• Manufacturer Part Number: C5955-067

Fits select 2006-2015 Chevrolet Camaro Z/28 and Corvette Z06 / 427 models (7.0L).

The Cometic MLS (Multi-Layer Steel) Head Gasket provides superior sealing performance for high-output GM LS7 engines. Designed for 7.0L applications with a 4.150" bore and .051" compressed operating thickness, this gasket eliminates the need for additional sealants while handling the extreme shearing forces common in high-performance engine assemblies. It is an ideal solution for sealing aluminum heads to either aluminum or cast iron blocks.

Each C5889-051 gasket is constructed from multiple embossed layers of stainless steel for increased strength and corrosion resistance. The outer layers are coated with Viton, a fluoroelastomer rubber based material that is heat resistant up to 250°C (482°F). This specialized coating ensures a reliable seal across various load conditions and surface finishes, while the stainless steel center shim allows for precise thickness requirements and excellent rebounding characteristics.

• Bore Size: 4.150 inch
• Compressed Thickness: .051 inch
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber (Heat resistant to 250°C / 482°F)
• Manufacturer Part Number: C5889-051
• Requires less clamp load, reducing cylinder bore distortion
• Promotes uniform load distribution across the sealing area
• Designed for high-output naturally aspirated and forced induction setups

Vehicle Fitment:

• 2014-2015 Chevrolet Camaro Z/28
• 2006-2013 Chevrolet Corvette Z06
• 2008 Chevrolet Corvette 427 Limited Edition Z06
• 2011 Chevrolet Corvette Z06 Carbon
• 2013 Chevrolet Corvette 427

Fits 2005-2010 Chrysler 300, Dodge Challenger, Charger, Magnum, and Jeep Grand Cherokee SRT8 (6.1L).

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered for high-output 6.1L HEMI engines, providing a superior seal without the need for additional sealants. Constructed from multiple layers of embossed stainless steel, this gasket is designed to withstand the shearing forces found in high-performance applications, whether mating aluminum heads to iron or aluminum blocks. The outer layers are coated with Viton, a heat-resistant fluoroelastomer that maintains its integrity up to 482°F (250°C), ensuring a reliable seal under extreme load conditions and varying surface finishes.

• Bore Size: 4.100 inches
• Compressed Operating Thickness: 0.051 inches
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Double-sided Viton rubber coating on outer layers
• Resists corrosion and provides excellent rebound characteristics
• Optimized load distribution reduces bore distortion and clamp load requirements
• Manufacturer Part Number: C5876-051

Fits select 2005-2010 Chrysler 300, Dodge Challenger, Charger, Magnum, and Jeep Grand Cherokee (6.1L).

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered for high-output Hemi engines that demand superior sealing under extreme conditions. Constructed from multiple layers of embossed stainless steel, these gaskets provide increased structural strength and the ability to rebound, resisting the corrosion and shearing forces common in both aluminum-to-aluminum and aluminum-to-iron block configurations. The outer layers are coated on both sides with Viton, a high-performance fluoroelastomer that is heat resistant up to 250°C (482°F), ensuring a reliable seal across various surface finishes and load conditions.

• Bore Diameter: 4.100 in
• Compressed Thickness: 0.040 in
• Construction: Multi-Layer Steel (MLS) with Viton-coated outer layers
• Heat Resistance: Up to 250°C / 482°F
• Installation: Requires no additional sealants
• Features: Reduced bore distortion through optimized clamp load distribution
• Manufacturer Part Number: C5876-040

Fits select 1993-2003 Ford Probe and Mazda 626, MX-6, Protege, and Protege5 (2.0L).

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered to provide maximum sealing performance for high-output FS-DE engines. Constructed from multiple layers of embossed stainless steel, this gasket provides the strength and resilience needed to withstand the shearing forces common in both aluminum-to-aluminum and aluminum-to-cast iron engine configurations. The multi-layer design allows the gasket to rebound under pressure while resisting corrosion over time.

To ensure a reliable seal in harsh environments, the outer layers are coated on both sides with Viton, a heat-resistant fluoroelastomer capable of withstanding temperatures up to 250°C (482°F). This specialized coating conforms to various surface finishes and load conditions. The C5844-030 requires less clamp load than traditional gaskets, which reduces bore distortion and promotes even load distribution across the sealing area.

• Bore Size: 84mm
• Compressed Thickness: 0.030in
• Material: Multi-Layer Stainless Steel (MLS)
• Outer Layer Coating: Viton (fluoroelastomer)
• Center Layer: Uncoated stainless steel shim
• Installation: Requires no additional sealants
• Manufacturer Part Number: C5844-030

Fits 1992-2006 Dodge Viper (Base, ACR, GT2, GTS, R/T-10, SRT-10) and 1996-2002 Dodge Ram 2500 Base models. This Cometic Multi-Layer Steel (MLS) head gasket provides maximum sealing performance for high-output V10 engines without the need for additional sealants.

Designed to withstand the intense shearing forces created by different expansion rates in aluminum-to-iron or aluminum-to-aluminum engine assemblies, this gasket features multiple layers of embossed stainless steel. The outer layers are coated on both sides with a Viton fluoroelastomer rubber, which is heat resistant to 250°C (482°F) and engineered to conform to various surface finishes. The MLS design requires less clamp load than composite gaskets, which helps reduce cylinder bore distortion and ensures even load distribution across the entire sealing area.

• Manufacturer Part Number: C5814-051
• Bore Size: 4.060 inches
• Compressed Thickness: 0.051 inches
• Construction: Multi-Layer Steel (MLS) with stainless steel shim layer
• Coating: Viton rubber-based material (heat resistant up to 250°C / 482°F)
• Installation: No sealants required

Fits 1992-2006 Dodge Viper and 2004-2006 Dodge Ram 1500 SRT-10.

The Cometic C5814-027 Multi-Layer Steel (MLS) head gasket is engineered to provide superior sealing for high-output V10 engines. Constructed from multiple layers of embossed stainless steel, this gasket features outer layers coated with Viton rubber to handle harsh sealing environments and diverse surface finishes. The MLS design allows the gasket to rebound and resist the shearing forces created by different thermal expansion rates between aluminum heads and iron or aluminum blocks.

Designed for durability and precision, these gaskets require less clamp load than traditional designs, which helps minimize bore distortion for better ring seal. The Viton coating remains heat resistant up to 250°C (482°F), ensuring a reliable seal under extreme cylinder pressures without the need for additional sealants.

• Manufacturer Part Number: C5814-027
• Bore Size: 4.060 inches
• Compressed Operating Thickness: 0.027 inches
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber-based fluorocarbon elastomer
• Temperature Resistance: Up to 250°C / 482°F
• Application: Compatible with aluminum-to-aluminum and aluminum-to-cast iron mating surfaces

Fits 2007-2018 Dodge and Ram 2500/3500 models equipped with the 6.7L Cummins diesel engine.

The Cometic MLX-5 (Multi-Layer Steel-X) head gasket is engineered to provide maximum sealing performance for high-output diesel engines. Utilizing five layers of stainless steel, this gasket provides increased cylinder head clamp load without increasing bore distortion. The construction allows the gasket to rebound and resist the shearing forces created between aluminum heads and cast iron blocks during thermal expansion.

To ensure a reliable seal in harsh environments, the outer stainless steel layers are embossed and coated with Viton, a fluoroelastomer rubber capable of withstanding temperatures up to 250°C (482°F). This advanced coating meets the demands of various surface finishes and load conditions. Designed for a precise fit, this gasket requires no additional sealants or re-torquing after installation.

• Manufacturer Part Number: C5609-061
• Series: MLX-5
• Bore Size: 4.312 inches
• Thickness: .061 inches
• Material: 5-Layer Stainless Steel with Viton coating
• Features: No sealants or re-torque required; corrosion resistant

Fits select 2007-2019 Dodge and Ram 2500 and 3500 trucks (6.7L).

The Cometic MLX (Multi-Layer Stopper) head gasket is engineered to handle the high combustion pressures common in the 6.7L Cummins diesel engine. This gasket features an integrated stopper layer that significantly improves clamp load around the cylinder, ensuring a robust seal without increasing bore distortion. Utilizing the same proven materials found in Cometic MLS gaskets, the MLX design adds a folded stopper layer for enhanced mechanical sealing in high-output applications.

Designed for professional installation, this gasket requires no sealants and no re-torquing after the initial heat cycle, providing a reliable and efficient solution for engine rebuilds and performance upgrades.

• Manufacturer Part Number: C5609-052
• Compatible Engine: 6.7L Cummins Diesel
• Bore Diameter: 4.312 inches
• Compressed Thickness: .052 inches
• Material: MLX (Multi-Layer Stopper)
• Installation: No sealants or re-torque required

This Cometic Multi-Layer Steel (MLS) Head Gasket is designed for high-output Ford 289, 302, and 351 small block V8 engines, providing a superior seal without the need for additional sealants. Featuring a 4.030-inch bore and a .040-inch compressed operating thickness, this gasket (MPN: C5511-040) is specifically engineered to handle the shearing forces found in high-performance applications, including mixed-metal configurations such as aluminum heads on cast iron blocks.

Constructed from multiple layers of embossed stainless steel, the outer layers are coated on both sides with Viton—a fluoroelastomer rubber based material that is heat resistant up to 250°C (482°F). This specialized coating ensures a reliable seal across various surface finishes and load conditions, while the stainless steel center shim allows for precise thickness requirements and provides the rebound needed to resist corrosion and maintain combustion pressure.

• Engine Compatibility: Ford 289, 302, 351 (NONSVO)
• Bore Size: 4.030 in
• Compressed Thickness: .040 in
• Material: Multi-Layer Stainless Steel (MLS) with Viton coating
• Heat Resistance: Up to 250°C (482°F)
• Installation: Requires no sealants; conforms to load distribution to reduce bore distortion
• Manufacturer Part Number: C5511-040

Fits select 1962-2000 Ford, Mercury, AC, and DeTomaso vehicles equipped with Ford small block V8 engines.

Fits select 1991-2016 Ford and Lincoln vehicles equipped with the 4.6L V8 engine.

The Cometic C5503-030 Multi-Layer Steel (MLS) head gasket is engineered to provide a superior seal for high-performance Ford 4.6L V8 engines. Constructed from multiple layers of embossed stainless steel, this right-side gasket is designed to handle the high combustion pressures and thermal expansion cycles common in modern engine builds. The outer layers are coated with Viton—a fluoroelastomer capable of withstanding temperatures up to 250°C (482°F)—ensuring a reliable seal across various surface finishes and load conditions.

This gasket features a 94mm bore and a compressed operating thickness of .030in, making it an ideal choice for maintaining specific compression ratios or compensating for deck surfacing. The MLS design is particularly effective for aluminum-to-iron or aluminum-to-aluminum mating surfaces, as the stainless layers resist the shearing forces caused by differing rates of thermal expansion. No additional sealants are required for installation.

• Manufacturer Part Number: C5503-030
• Bore Size: 94mm
• Compressed Thickness: .030in
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber (Heat resistant to 250°C / 482°F)
• Position: Right Side
• Performance: Requires less clamp load, resulting in reduced bore distortion and uniform load distribution

Fits select 1991-2016 Ford, Lincoln, Mercury, and Mobility Ventures vehicles (4.6L).

Cometic Multi-Layer Steel (MLS) head gaskets are engineered to provide maximum sealing performance for high-output engines. This left-side gasket features a three-layer stainless steel construction that handles the shearing forces created by different thermal expansion rates between aluminum heads and iron or aluminum blocks. Unlike composite alternatives, MLS gaskets require no additional sealants and offer superior rebound and corrosion resistance.

The outer layers are embossed and coated on both sides with Viton, a high-performance fluoroelastomer rubber capable of withstanding temperatures up to 250°C (482°F). This coating ensures a reliable seal across varied surface finishes and load conditions, while the stainless steel center shim allows for precise thickness control and reduced bore distortion under clamp load.

• Manufacturer Part Number: C5502-030
• Bore Size: 94mm
• Compressed Thickness: 0.030"
• Construction: Multi-Layer Steel (MLS)
• Coating: Viton Rubber
• Position: Left Side

Fits select 1995-1999 Chrysler Sebring, Dodge Avenger/Neon, Eagle Talon, Mitsubishi Eclipse, and Plymouth Neon models (2.4L).

Cometic MLS (Multi-Layer Steel) Head Gaskets are engineered to provide maximum sealing performance for high-output engines without the need for additional sealants. This gasket features multiple layers of embossed stainless steel, designed to rebound and resist corrosion while handling the shearing forces common between aluminum heads and cast iron or aluminum blocks. The outer layers are coated with a Viton fluor elastomer rubber, providing heat resistance up to 250°C (482°F) to meet the demands of harsh sealing environments and varied surface finishes.

The multi-layer design ensures uniform load distribution across the sealing area, requiring less clamp load which results in significantly reduced bore distortion. This technical construction makes the Cometic MLS series an essential upgrade for maintaining engine integrity under increased stress.

• Manufacturer Part Number: C5497-040
• Bore Diameter: 87.5mm
• Compressed Thickness: .040in
• Material: Multi-Layer Stainless Steel with Viton Coating
• Heat Resistance: Up to 250°C / 482°F
• Application: Optimized for 420A and related 2.4L DOHC platforms

Fits select 1997-2020 GM vehicles, including Chevrolet Corvette, Camaro, and Silverado, GMC Sierra and Yukon, Cadillac CTS-V, and Pontiac G8 models.

This Cometic Multi-Layer Steel (MLS) head gasket is engineered for high-performance sealing in demanding combustion environments. Constructed from three to five layers of high-grade stainless steel, this gasket provides exceptional strength, rebound, and corrosion resistance. The outer layers are embossed and coated on both sides with a specialized Viton rubber material, designed to maintain a reliable seal across various surface finishes and load conditions, with heat resistance up to 250°C (482°F).

The technical design of the C5489-056 utilizes an uncoated stainless steel shim layer to achieve its precise .056-inch thickness. This MLS construction requires less clamp load than standard composite gaskets, which significantly reduces cylinder bore distortion and ensures more uniform load distribution across the entire sealing area.

• Manufacturer Part Number: C5489-056
• Bore Size: 4.100in
• Compressed Thickness: .056in
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber coated outer layers
• Engine Compatibility: GM LS-series Small Block
• Maximum Temperature: 250°C / 482°F

Fits select 1997-2020 Chevrolet, GMC, Cadillac, and Buick vehicles including Corvette, Camaro, Silverado, Sierra, and Escalade. This Cometic Multi-Layer Steel (MLS-5) head gasket is engineered to provide superior sealing performance for high-output GM LS-based small block engines.

Constructed from five layers of high-grade stainless steel, this gasket offers exceptional strength, corrosion resistance, and thermal recovery. The outer layers are precision embossed and coated with a high-temperature Viton rubber on both sides. This coating is rated to withstand temperatures up to 250°C (482°F), ensuring a reliable seal across various surface finishes and load conditions. By requiring less clamp load than traditional gaskets, this design reduces bore distortion for better ring seal and power production.

• Bore Size: 4.100 in
• Compressed Thickness: .040 in
• Construction: 5-Layer Multi-Layer Steel (MLS-5)
• Material: Stainless steel shim layers with Viton-coated outer layers
• Heat Resistance: 250°C / 482°F
• Manufacturer Part Number: C5489-040