Fits 2000-2009 Honda S2000 Base and CR models (F20C1 / F20C2).

Cometic MLS (Multi-Layer Steel) exhaust gaskets are engineered to handle extreme cylinder pressures and harsh sealing environments. Designed for professional engine builders and enthusiasts alike, these gaskets maintain a precise torque set and resist corrosion without the need for additional sealants. The multi-layer construction consists of embossed outer layers and an uncoated stainless steel shim layer, providing superior recovery and conformability across the sealing surface. This design requires less clamp load, which helps minimize bore distortion for a more reliable seal.

• Multi-Layer Steel (MLS) construction for maximum durability
• Maintains torque set and resists burning or pushing out
• Withstands varying head and manifold material expansions
• Requires less clamp load, reducing bore distortion
• No sealants required for installation

• Manufacturer Part Number: C4159-030
• Thickness: .030 inch
• Port Dimensions: 2.030 inch x 1.730 inch
• Material: Stainless Steel

Fits select 1974-1997 Ford Mustang, Ranger, Pinto, Thunderbird, and Mazda B2300 (2.3L).

Cometic MLS (Multi-Layer Steel) Head Gaskets are engineered for high-output environments where maximum sealing performance is critical. Constructed from multiple layers of embossed stainless steel, these gaskets provide superior rebound and corrosion resistance compared to traditional composite designs. The outer layers are finished with a Viton coating—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.

Designed to handle the shearing forces between aluminum heads and cast iron or aluminum blocks, this gasket requires less clamp load, which helps reduce bore distortion. The shim layer is made of uncoated stainless steel, precision-calibrated to maintain a compressed operating thickness of .040 inch. No additional sealants are required for installation.

• Manufacturer Part Number: C5369-040
• Bore Size: 3.83in (97mm)
• Thickness: .040in
• Construction: Multi-Layer Steel (MLS)
• Coating: Embossed outer layers with Viton coating
• Compatibility: Aluminum heads to cast iron or aluminum blocks

Fits select 1992-2001 Acura Integra and Honda Civic models (GS-R, Type R, Si, and VTEC). This Cometic Valve Cover Gasket Kit (MPN C4628) is engineered to provide a superior, long-lasting seal for B-series VTEC engines where precision oil control is critical.

Built for the rigors of high-performance driving, this kit features an integrated steel torque limiting frame. This internal frame prevents the gasket from being over-compressed or crushed during installation, ensuring even clamping pressure across the entire sealing surface to prevent leaks and oil weeping. Whether you are performing routine maintenance or a complete top-end rebuild, this kit offers the durability and fitment required for high-revving applications.

• Integrated steel torque limiting frame prevents over-tightening
• Direct replacement for factory valve cover gaskets
• Designed for high-performance sealing and durability
• Manufacturer Part Number: C4628

Vehicle Fitment

Fits select 2018-2023 Honda Accord, Civic, and CR-V models (L15B7 / L15BE / L15CA engines).

This Cometic HP (High Performance) series cylinder head gasket is designed to meet the demands of turbocharged 1.5L Honda engines where increased cylinder pressures are common. It features a specialized HP Shim Layer, which is engineered to provide increased stress around the combustion seal to prevent leaks under load. Each gasket is finished with proprietary high-temperature coatings and precision-engineered embossments to ensure a reliable seal against the cylinder head and block.

• Manufacturer Part Number: C14202-024
• Thickness: .024"
• Bore Size: 73.5mm
• Series: HP (High Performance)
• VTEC Compatible: Yes
• Multi-layer steel construction with proprietary coatings
• Integrated HP Shim Layer for superior combustion sealing

Fits Nissan SR20DET engines found in S13 and S14 Silvia/180SX models and the Pulsar GTi-R.

The Cometic Street Pro bottom end kit (PRO2010B) is designed for engine builders and street-performance enthusiasts who require a complete sealing solution for a lower-block overhaul. This kit eliminates the guesswork of sourcing individual seals by providing every necessary gasket and seal required to refresh the bottom end of an SR20DET.

Cometic utilizes application-specific materials to ensure a reliable seal under the thermal and mechanical stresses of a performance engine. This kit features a combination of high-grade materials including Multi-Layer Steel (MLS), Aluminum Foam Material (AFM), Aramid Fiber, and Armor Clad. Whether you are performing a standard maintenance refresh or a complete bottom-end rebuild, these components provide the tolerances and durability required to prevent leaks and maintain internal pressure.

• Complete bottom end gasket and seal set
• Manufacturer Part Number: PRO2010B
• Materials include MLS, AFM, Aramid Fiber, and Armor Clad
• Engineered for street and performance applications
• Replaces worn OE seals with high-durability equivalents

Fits 1987-1992 Toyota Supra and 1989-1992 Toyota Cressida.

Engineered for high-output applications, the Cometic Multi-Layer Steel (MLS) head gasket provides superior sealing performance without the need for additional sealants. This gasket is constructed from multiple embossed layers of stainless steel, with the outer layers featuring a Viton rubber coating. Viton is a fluoroelastomer material capable of withstanding temperatures up to 250°C (482°F), designed to handle harsh sealing environments and varied surface finishes.

The MLS design is specifically effective for sealing aluminum cylinder heads to either aluminum or cast iron blocks, as it successfully resists the shearing forces created by different thermal expansion rates. By requiring less clamping load than traditional gaskets, it helps reduce bore distortion and ensures even load distribution across the sealing surface.

• Manufacturer Part Number: C4278-051
• Bore Size: 84mm
• Compressed Thickness: 0.051"
• Material: Multi-Layer Steel (MLS)
• Outer Coating: Viton (heat resistant to 250°C / 482°F)
• Center Layer: Uncoated stainless steel shim

Fits 2002-2005 Subaru Impreza WRX models equipped with the EJ20GN DOHC 16V Turbo engine.

Engineered for high-output applications, the Cometic Multi-Layer Steel (MLS) head gasket provides superior sealing performance without the need for additional sealants. This gasket is constructed from multiple embossed layers of high-grade stainless steel. The outer layers are coated on both sides with Viton, a fluoroelastomer rubber capable of withstanding temperatures up to 250°C (482°F), ensuring a reliable seal even in harsh combustion environments.

The MLS design is specifically tailored to handle the shearing forces found in modern engines, making it an ideal choice for both aluminum-to-aluminum and aluminum-to-cast-iron mating surfaces. By requiring less clamp load than traditional gaskets, it helps minimize bore distortion and promotes even load distribution across the entire sealing area.

• Manufacturer Part Number: C4261-051
• Bore Size: 93mm
• Compressed Thickness: 0.051 inch
• Construction: Multi-Layer Steel (MLS)
• Material: Embossed Stainless Steel with Viton coating
• Temperature Rating: Heat resistant up to 250°C (482°F)
• Compatibility: Replaces OE gaskets for Subaru EJ20GN DOHC 16V Turbo engines

Fits select 1997-2020 Buick, Cadillac, Chevrolet, GMC, Pontiac, and Saab vehicles with GM LS-series engines.

The Cometic MLX-5 (Multi-Layer Steel) Head Gasket is engineered for the demanding sealing requirements of high-output GM LS engines. Constructed from multiple embossed layers of stainless steel, this gasket provides superior rebound and corrosion resistance compared to traditional composite designs. The outer layers are precision-embossed and coated on both sides with Viton, a high-performance fluoroelastomer capable of withstanding temperatures up to 250°C (482°F).

Designed to provide an improved clamp load around the cylinder without increasing bore distortion, this gasket is an ideal solution for both aluminum-to-aluminum and aluminum-to-iron engine configurations. It effectively manages the shearing forces created by different thermal expansion rates. This specific gasket is also compatible with World Products Man-o-War blocks and requires no additional sealants for installation.

• Manufacturer Part Number: C5505-060
• Bore Size: 102.62mm
• Thickness: 0.060 in
• Compressed Operating Thickness: 0.036 in
• Material: MLX-5 Multi-Layer Stainless Steel
• Coating: Viton rubber (outer layers)
• Heat Resistance: Up to 250°C / 482°F
• Application: GM LS-Series Engines

Fits 1988-1993 Nissan S13 models with DOHC engines.

The Cometic C4753 Valve Cover Gasket Set is engineered to provide a reliable, leak-free seal for high-performance and street applications. Designed specifically for the Nissan S13 DOHC platform, this set replaces worn or brittle factory gaskets to prevent oil seepage and protect your engine components from oil contamination.

Constructed with premium materials, these gaskets feature a built-in steel torque-limiting frame. This internal reinforcement is a critical design feature that prevents over-compression and gasket deformation during installation, ensuring even pressure distribution across the sealing surface. Whether you are performing routine maintenance or a full top-end rebuild, this kit provides the precision fitment required for the S13 chassis.

• Direct fit for 1988-1993 Nissan S13 (DOHC)
• Integrated steel torque-limiting frame prevents over-tightening and crushing
• Resistant to high operating temperatures and automotive fluids
• Engineered for a precise seal on factory mounting surfaces
• Manufacturer Part Number: C4753

Fits select 2002-2011 Acura RSX and Honda Accord, Civic Si, CR-V, and Element (K20/K24 engines).

The Cometic Multi-Layer Steel (MLS) Head Gasket (C4311-036) is engineered to provide maximum sealing performance for high-output K-series engines without the need for additional sealants. Built from multiple layers of embossed stainless steel, this gasket offers superior rebound and corrosion resistance compared to traditional composite designs. The outer layers are coated on both sides with a 250°C (482°F) heat-resistant Viton fluor elastomer, ensuring a reliable seal across varying surface finishes and load conditions.

• Bore Size: 87mm
• Compressed Thickness: .036"
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber-based elastomer
• Manufacturer Part Number: C4311-036
• Requires less clamp load, reducing cylinder bore distortion
• Maintains uniform load distribution across the sealing area
• Ideal for both aluminum-to-aluminum and aluminum-to-iron block and head combinations

Fits 1997-2001 Honda CR-V EX, LX, and SE models equipped with the B20 engine.

The Cometic Multi-Layer Steel (MLS) Head Gasket is engineered to provide maximum sealing performance for high-output engines without the need for additional sealants. Constructed from multiple layers of embossed stainless steel, this gasket offers superior strength, rebound, and corrosion resistance compared to traditional composite gaskets. It is designed to withstand the shearing forces created in both aluminum-to-aluminum and aluminum-to-cast-iron engine configurations.

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

• Bore Size: 85mm
• Thickness: 0.030"
• Construction: Multi-Layer Steel (MLS)
• Material: Embossed stainless steel with Viton coating
• Temperature Resistance: Up to 250°C / 482°F
• Manufacturer Part Number: C4250-030

Vehicle Fitment

Fits 1993-2001 Honda Prelude Base, S, Type SH, and VTEC models equipped with the H22 engine.

Cometic C4155-040 Multi-Layer Steel (MLS) exhaust gaskets provide a superior seal for high-performance Honda H22 engines. Designed to meet the demands of harsh sealing environments, these gaskets use embossed outer layers to conform to the cylinder head and manifold surfaces, ensuring a leak-free connection without the need for messy liquid sealants.

• Multi-Layer Steel (MLS): Constructed with embossed outer layers for maximum surface conformability under high thermal loads.
• Stainless Steel Core: Features an uncoated stainless steel shim layer that provides structural integrity and maintains thickness.
• Optimized Clamping: Distributes load evenly across the sealing area to reduce bore distortion and maintain a consistent seal.
• Precision Thickness: .040" (1.0mm) thickness for consistent spacing and header alignment.
• Direct Replacement: Replaces worn OE gaskets and is compatible with both factory manifolds and aftermarket headers.

Manufacturer Part Number: C4155-040

Fits select 1949-2024 BMW, Toyota, and Jaguar models (including B58 and XK engine platforms).

The Cometic MLX (Multi-Layer Extreme) head gasket provides maximum sealing performance for high-output engines without the need for additional sealants. Engineered to withstand the high cylinder pressures of modern forced induction and high-compression builds, this gasket utilizes multiple embossed layers of stainless steel to maintain a reliable seal between the cylinder head and block.

The outer layers are coated on both sides with Viton, a specialized fluoroelastomer rubber that is heat resistant up to 250°C (482°F). This coating ensures a precise seal across various surface finishes and load conditions, while the stainless steel construction offers the necessary resilience to resist corrosion and rebound under thermal expansion. The design effectively manages the shearing forces created when mating different metallurgy, such as aluminum heads to cast iron or aluminum blocks.

• Optimized Clamp Load: Engineered to increase pressure around the cylinder without increasing bore distortion.
• Multi-Layer Steel: Multiple stainless steel layers provide superior strength and durability compared to composite gaskets.
• High-Temperature Coating: Embossed outer layers coated with Viton to meet the demands of harsh sealing environments.
• Versatile Application: Compatible with World Products Man-o-War blocks and both OE and performance cylinder heads.

Technical Specifications:

• Manufacturer Part Number: C14144-036
• Compressed Thickness: 0.036 in
• Material: MLX (Multi-Layer Steel)
• Coating: Viton
• Temperature Rating: Up to 250°C (482°F)

Fits select 1962-2018 Ford Mustang and Lotus models (5.0L).

The Cometic MLS (Multi-Layer Steel) LHS Head Gasket is engineered for high-output engines that demand a superior seal without the need for additional sealants. This Left Hand Side gasket is constructed from multiple embossed layers of stainless steel to provide maximum strength and the ability to rebound under extreme cylinder pressures. The outer layers are coated on both sides with Viton, a fluor elastomer rubber material heat-resistant to 250°C (482°F), designed to conform to varied surface finishes and load conditions.

Ideal for both aluminum-to-aluminum and aluminum-to-cast iron block and head combinations, this gasket effectively withstands the shearing forces created by differing thermal expansion rates. Its design requires less clamp load, which helps minimize bore distortion for improved ring seal. This specific gasket is also compatible with World Products Man-o-War blocks.

• Manufacturer Part Number: C5287-051
• Bore Diameter: 94mm
• Thickness: 0.051in (0.036in compressed operating thickness)
• Construction: Multi-Layer Steel (MLS)
• Finish: Viton-coated outer layers, uncoated stainless steel shim layer
• Application: Left Hand Side (LHS)

Fits 1955-2019 Chevrolet Camaro and Corvette models (6.2L).

The Cometic MLX (Multi-Layer Xtreme) 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 the strength, rebound, and corrosion resistance required for high-load applications. The MLX design includes an integrated stopper layer to increase clamp load around the cylinder bore without causing bore distortion.

The outer layers are embossed and coated on both sides with a specialized Viton rubber material. This coating is designed to maintain a seal across various surface finishes and load conditions, with heat resistance rated up to 250°C (482°F).

• Bore Diameter: 104.14mm
• Thickness: .040 inch
• Material: Multi-Layer Steel (MLX) with Viton Coating
• Heat Resistance: Up to 250°C (482°F)
• Manufacturer Part Number: C5038-040

Fits Nissan SR20DE and SR20DET engines in the S14 chassis with an 87.5mm bore.

This Cometic Multi-Layer Steel (MLS) head gasket is engineered to provide maximum sealing performance for high-output Nissan SR20 platforms. Built to withstand the shearing forces between aluminum cylinder heads and blocks, this gasket requires no additional sealants and resists corrosion over time. The multi-layer stainless steel construction allows the gasket to rebound under high cylinder pressures, ensuring a consistent seal in harsh environments.

• Embossed outer layers are coated on both sides with Viton, a fluoroelastomer rubber heat-resistant to 250°C (482°F).
• Designed with both additional oil holes to meet specific S14 engine block requirements.
• Provides even load distribution across the sealing area to minimize bore distortion.
• Multi-layer stainless steel shim allows for precise thickness and superior durability compared to composite gaskets.

• Manufacturer Part Number: C4576-051
• Bore Size: 87.5mm
• Compressed Thickness: .051 in
• Material: MLS (Multi-Layer Steel)
• Coating: Viton

Fits 1989-2002 Nissan RB26 engines.

Cometic Multi-Layer Steel (MLS) exhaust gaskets are engineered to provide a superior seal under extreme cylinder pressures and high temperatures. Constructed from multiple layers of stainless steel, this gasket maintains a consistent torque set and resists corrosion, ensuring it will not burn through or push out even in demanding high-performance or forced induction applications. The embossed outer layers conform to various surface finishes and load conditions, while the uncoated stainless steel shim layer provides the necessary structural integrity for a long-lasting seal.

• Manufacturer Part Number: C4202-030
• Thickness: .030" (0.76mm)
• Port Dimensions: 1.665" x 1.420"
• Material: Multi-Layer Steel (MLS)
• Requires no sealants for installation
• Provides even load distribution across the sealing area to minimize bore distortion
• Designed to withstand different combinations of cylinder head and manifold materials

Fits 1992-2000 Honda Civic and 1993-1997 Honda Civic del Sol models equipped with D15 or D16 SOHC engines.

Designed for the rigorous demands of high-output engines, the Cometic Multi-Layer Steel (MLS) head gasket provides a superior seal for both forced induction and high-compression naturally aspirated builds. This gasket is constructed from multiple layers of embossed stainless steel, which offer excellent rebound and corrosion resistance. The outer layers are coated with a .001-inch thick Viton rubber coating, a fluoroelastomer material capable of withstanding temperatures up to 250°C (482°F). This construction allows the gasket to effectively manage the shearing forces created by different thermal expansion rates between aluminum heads and cast iron or aluminum blocks.

• Multi-Layer Steel (MLS) design requires no additional sealants
• Reduces bore distortion by requiring less clamp load than traditional gaskets
• Viton coating ensures a reliable seal even across varied surface finishes
• Uncoated stainless steel shim layer allows for precise thickness specifications

• Manufacturer Part Number: C4195-051
• Bore Size: 76mm
• Compressed Thickness: 0.051 in
• Material: Viton-coated Stainless Steel
• Compatibility: Honda D15 and D16 SOHC engines

Fits select 1988-2001 Acura Integra, Honda CR-V, and Honda Prelude equipped with B18 or B20 non-VTEC blocks and VTEC cylinder heads.

This Cometic Multi-Layer Steel (MLS) head gasket is specifically engineered for high-output B-Series hybrid builds, commonly known as LS-VTEC or B20-VTEC conversions. Constructed from multiple layers of embossed stainless steel, this gasket provides superior sealing performance without the need for additional sealants. The stainless steel composition offers the rebound and corrosion resistance necessary to withstand the shearing forces between aluminum heads and cast iron or aluminum blocks.

The outer layers are coated on both sides with Viton, a fluoroelastomer rubber capable of resisting temperatures up to 250°C (482°F). This specialized coating ensures a reliable seal across various surface finishes and load conditions, while the uncoated stainless steel shim layer allows for precise thickness control. This design requires less clamp load, resulting in reduced bore distortion and more even distribution across the sealing surface.

• Manufacturer Part Number: C4194-051
• Bore Size: 85mm
• Compressed Thickness: .051 in
• Material: Multi-Layer Steel (MLS)
• Coating: Viton rubber-coated outer layers
• Application: Non-VTEC block to VTEC head conversion

Fits 1990-2001 Acura Integra GS, LS, RS, and Special Edition models with Honda B18A1 or B18B1 engines.

The Cometic Multi-Layer Steel (MLS) head gasket is engineered to provide maximum sealing performance for high-output engines without the need for additional sealants. This gasket is constructed from multiple embossed layers of high-grade stainless steel, which allows it to rebound and resist corrosion while handling the different thermal expansion rates of aluminum heads and cast iron blocks. The stainless steel composition provides increased strength and reduces the clamp load required to seal, effectively minimizing bore distortion.

The outer layers of the gasket are embossed and coated on both sides with Viton, a fluoroelastomer rubber-based material. This coating is heat resistant up to 250°C (482°F) and is specifically designed to meet the demands of harsh sealing environments and various surface finishes. The center shim layer is uncoated stainless steel, precisely manufactured to maintain the specified operating thickness.

• Part Number: C4173-036
• Bore Size: 82mm
• Compressed Thickness: .036 inch
• Material: Multi-Layer Stainless Steel (MLS)
• Finish: Embossed outer layers with Viton rubber coating
• Temperature Resistance: Up to 250°C / 482°F
• Application: Ideal for aluminum-to-aluminum or aluminum-to-iron engine configurations

Fits 2003-2005 Mitsubishi Lancer Evolution, MR, and RS models equipped with the 4G63 engine.

The Cometic C4156-040 Multi-Layer Steel (MLS) head gasket is engineered to provide superior sealing for high-performance forced induction applications. Built from multiple embossed layers of stainless steel, this gasket is designed to handle the shearing forces between aluminum heads and iron blocks while resisting corrosion. The outer layers are coated with Viton, a high-temperature fluoroelastomer rubber that withstands heat up to 250°C (482°F), ensuring a positive seal across varying surface finishes without the need for additional sealants.

• Manufacturer Part Number: C4156-040
• Bore Diameter: 86mm
• Compressed Thickness: 0.040"
• Construction: Multi-Layer Stainless Steel (MLS)
• Coating: Viton-coated outer layers for improved sealing
• Thermal Tolerance: Heat resistant to 250°C (482°F)
• Installation: Requires no additional sealants and creates less bore distortion by optimized load distribution

Fits select 2018-2023 Ford Mustang Bullitt, GT, GT Premium, and Mach 1 models (5.0L Gen-3 Coyote V8).

This Cometic Multi-Layer Steel (MLS) head gasket is engineered for the high-cylinder-pressure environments of the Gen-3 Coyote engine. Designed for the left-hand side (LHS), this gasket features a 94.5mm bore and a .045-inch compressed thickness. Constructed from three to five layers of high-grade stainless steel, it provides superior strength and the necessary rebound characteristics to resist corrosion and maintain a reliable seal under heavy load conditions.

The outer layers are embossed and precision-coated on both sides with a proprietary Viton rubber. This fluoroelastomer coating is heat-resistant up to 250°C (482°F), allowing the gasket to conform to varying surface finishes while requiring less clamp load than traditional designs. This reduction in required clamping force helps minimize bore distortion for better ring seal and longevity.

• Manufacturer Part Number: C15436-045
• Engine Compatibility: 5.0L Gen-3 Coyote V8
• Construction: Multi-Layer Steel (MLS)
• Orientation: Left Hand Side (LHS)
• Bore Size: 94.5mm
• Compressed Thickness: .045 in
• Coating: Double-sided Viton rubber
• Material: Stainless Steel layers for maximum rebound

Fits 2018-2023 Ford Mustang Bullitt, GT, and Mach 1 (5.0L).

This Cometic Multi-Layer Steel (MLS) RHS cylinder head gasket is engineered for the high-performance demands of the Gen-3 Ford 5.0L Coyote V8. Constructed from three to five layers of high-grade stainless steel, this gasket provides superior strength, rebound, and corrosion resistance. The outer layers are precision-embossed and finished on both sides with a Viton rubber coating, rated to withstand temperatures up to 250°C (482°F). This design ensures a reliable seal across various load conditions and surface finishes while requiring less clamp load, which helps minimize cylinder bore distortion during assembly.

• Manufacturer Part Number: C15435-045
• Bore Diameter: 94.5mm
• Thickness: .045in
• Placement: RHS (Right Hand Side)
• Material: Multi-Layer Stainless Steel (MLS)
• Coating: Viton rubber (heat resistant to 482°F)
• Engine Series: Gen-3 Coyote Modular V8

Fits select 1968-2015 Ford, Land Rover, and Lincoln vehicles, including Focus ST, Fusion, Edge, Explorer, F-Series, E-Series, Range Rover Evoque, and MKZ. This high-performance Multi-Layer Steel (MLS) head gasket is engineered to provide a superior seal under harsh combustion conditions.

Constructed with a stainless steel center shim layer, this gasket utilizes Cometic's HP shim technology to increase clamp load specifically around the combustion chamber. This design is critical for maintaining seal integrity on open deck blocks and varying surface finishes. The embossed outer layers are coated with Viton to ensure a reliable micro-seal against fluids and withstand the extreme thermal demands of modern and classic engines alike.

• Manufacturer Part Number: C15317-040
• Thickness: .040 inch
• Material: Multi-Layer Steel (MLS) with Stainless Steel shim layer
• Finish: Viton-coated embossed outer layers
• Advanced HP shim technology increases sealability around the combustion chamber
• Engineered to require less clamp load, reducing bore distortion
• Ensures even load distribution across the entire sealing surface

Fits 2001-2005 Honda Civic DX, EX, GX, HX, LX, and Value Package models (1.7L).

The Cometic Multi-Layer Steel (MLS) head gasket provides superior sealing performance for the Honda D17 engine. Engineered to handle the increased cylinder pressures of high-output builds, this gasket features multiple layers of embossed stainless steel that provide a robust, resilient seal. The outer layers are finished with a Viton coating—a fluoroelastomer heat-resistant to 482°F (250°C)—allowing the gasket to meet the demands of various harsh sealing environments and surface finishes.

By design, the MLS construction requires less clamp load than composite gaskets, which helps minimize bore distortion. It is an ideal solution for both aluminum-to-aluminum and aluminum-to-cast iron engine configurations, as the stainless steel layers rebound and maintain their seal despite the differing thermal expansion rates of the block and head materials.

• Manufacturer Part Number: C4474-027
• Bore Diameter: 76mm
• Compressed Thickness: 0.027 inch
• Material: Multi-Layer Steel (MLS)
• Outer Layer Coating: Viton rubber-based material
• Corrosion-resistant stainless steel center shim
• Requires no additional sealants for installation

Fits select 1990-1997 Nissan 300ZX and Infiniti J30 models equipped with the 3.0L V6 (VG30DE/DETT) engine.

Designed for high-output applications, the Cometic Multi-Layer Steel (MLS) head gasket provides superior sealing performance without the need for additional sealants. This gasket features a three-layer construction: embossed outer layers of stainless steel coated with Viton and a center stainless steel shim layer. The Viton coating is a fluorine elastomer rubber material capable of withstanding temperatures up to 250°C (482°F), ensuring a reliable seal in harsh environments and varying load conditions.

The MLS design is ideal for aluminum-to-aluminum and aluminum-to-cast iron engine configurations, as it effectively manages the shearing forces created by different thermal expansion rates. This construction provides increased strength and the ability to rebound, resisting corrosion over time while requiring less clamp load to minimize bore distortion.

• Manufacturer Part Number: C4346-045
• Construction: Multi-Layer Steel (MLS)
• Bore Diameter: 88mm
• Compressed Thickness: 0.045 inch
• Outer Layer Coating: Viton (Flour Elastomer)
• Material: Embossed Stainless Steel
• Quantity: Single Gasket (One Side)

Fits select 2002-2014 Acura RSX and Honda Accord, Civic Si, CR-V, and Element models with K20 or K24 engines.

The Cometic Multi-Layer Steel (MLS) head gasket is engineered to provide maximum sealing performance for high-output K-series engines. This gasket features multiple embossed layers of stainless steel with the outer layers finished in a Viton rubber coating. This design handles the shearing forces inherent in aluminum-to-aluminum and aluminum-to-iron mating surfaces while resisting corrosion and heat up to 250°C (482°F).

Designed for professional builders and enthusiasts, this .045" thick gasket requires no additional sealants and provides a more uniform load distribution across the sealing area. The result is less bore distortion and a superior combustion seal under high load conditions.

• Bore Size: 88mm
• Thickness: .045"
• Material: Multi-Layer Stainless Steel (MLS)
• Finish: Viton-coated embossed outer layers
• Heat Resistance: Up to 250°C (482°F)
• Manufacturer Part Number: C4312-045

Fits select 2002-2014 Acura RSX and Honda Accord, Civic Si, CR-V, and Element (K20 / K24 engines).

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered for high-output environments, providing superior sealing performance without the need for additional sealants. This gasket is comprised of multiple embossed layers of stainless steel, utilizing a Viton fluoroelastomer coating on the outer layers to meet the demands of harsh sealing environments and varied surface finishes. The design is ideal for both aluminum-to-aluminum and aluminum-to-cast iron engine configurations, as it effectively withstands the shearing forces created by dissimilar materials.

Built for durability and precision, the C4311-045 gasket features a center shim layer of uncoated stainless steel and outer layers capable of resisting temperatures up to 250°C (482°F). The embossed construction ensures even load distribution across the sealing area, which requires less clamp load and results in reduced bore distortion compared to traditional gasket designs.

• Bore Size: 87mm
• Compressed Operating Thickness: 0.045"
• Construction: Multi-Layer Steel (MLS)
• Outer Layer Coating: Viton (Heat resistant to 482°F)
• Material: Stainless Steel layers for rebound and corrosion resistance
• Manufacturer Part Number: C4311-045

Confirmed Vehicle Fitment:

Fits 1989-2002 Nissan RB26DETT engines (2.6L).

The Cometic Street Pro Top End Kit (PRO2017T) is designed for enthusiasts and builders performing a top-end rebuild or head gasket service on the 2.6L inline-six. This kit provides a complete solution by including all the necessary gaskets and seals required to refresh the upper portion of the engine, ensuring a reliable seal against vacuum, oil, and combustion pressures. Cometic utilizes high-performance materials tailored to the specific demands of each sealing surface, moving beyond generic gaskets to provide professional-grade durability.

• Complete top end gasket set for 87mm bore RB26DETT applications
• Multi-Layer Steel (MLS) technology for critical combustion seals
• Premium gasket materials including AFM (Aramid Fiber Material), Aramid Fiber, and Armor Clad
• Precision-engineered for exact fitment on 1989-2002 Nissan 2.6L engines
• Manufacturer Part Number: PRO2017T

Fits 1996-2000 Honda Civic and 1996-1997 Honda Civic del Sol (D16Y5/Y7/Y8).

The Cometic Street Pro bottom end gasket kit (PRO2001B) is a comprehensive solution for enthusiasts performing a lower block rebuild. Designed to balance performance with value, this kit includes the essential gaskets and seals required to seal the crankcase and rotating assembly, ensuring a reliable, leak-free finish for your SOHC D-series engine.

Cometic utilizes application-specific materials to handle the thermal and mechanical stresses of a street-driven engine. This kit features a combination of high-grade materials including MLS (Multi-Layer Steel), AFM (Active Flex Material), Aramid Fiber, and Armor Clad to provide superior sealing over standard replacement parts.

• Complete bottom end gasket and seal set
• Designed specifically for Honda SOHC D16Y5, D16Y7, and D16Y8 engines
• Utilizes premium materials: MLS, AFM, Aramid Fiber, and Armor Clad
• Direct fit replacement for factory seals during engine overhauls
• Manufacturer Part Number: PRO2001B