Fits select 1988-1995 Honda Civic, CRX, and Civic del Sol models (D15B1-2-7 / D16A6-7 SOHC engines).

The Cometic Multi-Layer Steel (MLS) Head Gasket is engineered to provide maximum sealing performance for high-output Honda D-Series engines. This 75.5mm bore gasket features a multi-layer stainless steel construction that offers superior rebound and corrosion resistance compared to composite gaskets. The design utilizes embossed outer layers coated on both sides with Viton—a fluoroelastomer rubber capable of withstanding temperatures up to 250°C (482°F)—to ensure a reliable seal even in harsh combustion environments.

Ideal for both aluminum-to-aluminum and aluminum-to-iron engine configurations, these gaskets effectively handle the shearing forces caused by differing thermal expansion rates. The MLS design requires less clamp load, which helps minimize bore distortion for better ring seal and overall engine longevity.

• Manufacturer Part Number: C4117-030
• Bore Size: 75.5mm
• Compressed Thickness: 0.030 in
• Material: Multi-Layer Stainless Steel with Viton coating
• Installation: Requires no additional sealants
• Temperature Resistance: Up to 250°C / 482°F

Fits select 1997-2020 GM vehicles with Gen 3/4 LS Small Block V8 engines, including Chevrolet Silverado, Corvette, Camaro, GMC Sierra, and Yukon.

This Cometic Gasket DST (Distance Surface Technology) cylinder head gasket is specifically engineered for high-performance LS engine builds. Featuring a 4.100in bore and oversized 1/2in head stud clearance, it is designed to accommodate modified blocks and high-strength fasteners. The .071in thickness provides a reliable sealing solution for builders needing to adjust deck height or fine-tune compression ratios. Cometic’s Multi-Layer Steel (MLS) construction ensures superior thermal load distribution and maintains a positive seal even under high cylinder pressures.

• Manufacturer Part Number: C15749-071
• Engine Series: GM LS Small Block V8 (Gen 3/4)
• Bore Size: 4.100 inches
• Gasket Thickness: .071 inches
• Fastener Clearance: 1/2 inch Studs
• Technology: DST (Distance Surface Technology) Multi-Layer Steel

Fits select 1997-2020 GM LS Gen 3/4 small block V8 engines across Chevrolet Silverado/Corvette, GMC Sierra/Yukon, Cadillac Escalade, and Hummer platforms.

The Cometic DST (Dual Seal Technology) cylinder head gasket is designed for high-performance applications where superior combustion sealing is required. This multi-layer steel (MLS) gasket is specifically engineered for GM LS series engines that have been modified to use 1/2-inch head studs, providing a precise fit and enhanced clamping force distribution. The .063-inch thickness allows for specific compression ratio tuning or deck height adjustments in custom engine builds.

• DST Technology: Features specialized coating and embossment for a reliable seal under high cylinder pressures.
• Custom Bore Size: 4.100-inch bore accommodates oversized cylinders or specific block configurations.
• Stud Compatibility: Drilled for 1/2-inch studs to support high-strength aftermarket hardware.
• Durable Construction: Multi-layer steel (MLS) design for maximum thermal conductivity and resilience.

• Manufacturer Part Number: C15749-063
• Bore Diameter: 4.100 inches
• Gasket Thickness: 0.063 inches
• Stud Size: 1/2 inch
• Engine Series: GM LS Gen-3/4 Small Block V8

This Cometic Gasket DST (Diamond Seal Technology) cylinder head gasket is precision-engineered for GM LSX Gen-4 Small Block V8 engines. Designed to meet the high-pressure demands of performance LS builds, this gasket features a .071-inch compressed thickness and is specifically sized for a 4.200-inch bore. This component is configured for the left-hand side (LHS) and is machined to accommodate a combination of 1/2-inch and 3/8-inch head studs.

• Manufacturer Part Number: C15745-071
• Engine Application: GM LSX Gen-4 Small Block V8
• Bore Diameter: 4.200 in
• Gasket Thickness: .071 in
• Seal Technology: DST (Diamond Seal Technology)
• Stud Compatibility: Fits 1/2 in and 3/8 in head studs
• Orientation: Left Hand Side (LHS)

Cometic's Diamond Seal Technology utilizes a specialized coating to ensure a superior seal across the cylinder head and block deck surfaces, providing the reliability needed for high-output naturally aspirated or forced induction LSX applications.

This Cometic Gasket DST cylinder head gasket is precision-engineered for GM LSX Gen-4 Small Block V8 engines. Measuring .063 inches in thickness with a 4.200-inch bore, this gasket is designed for high-performance applications where superior sealing and durability are required. This specific Left Hand Side (LHS) gasket is configured for engines utilizing a combination of 1/2-inch and 3/8-inch head studs.

• Fits GM LSX Gen-4 Small Block V8 engines
• Thickness: .063 in
• Bore Size: 4.200 in
• Configuration: Left Hand Side (LHS)
• Hardware Compatibility: 1/2 in and 3/8 in Head Studs
• Series: DST (Distance Surface Technology)
• Manufacturer Part Number: C15745-063

Fits select 1997-2020 GM vehicles with LS Gen 3/4 Small Block V8 engines. This Cometic Gasket DST (Dual-Stage Technology) cylinder head gasket is designed for high-performance applications where 1/2-inch head studs have been installed. Engineered to provide a superior seal under high cylinder pressures, this gasket is an essential component for custom LS engine builds requiring a specific 4.150-inch bore diameter.

With a .063-inch thickness, this gasket allows builders to precisely dial in the compression ratio or compensate for material removed during head and block resurfacing. The DST construction ensures maximum recovery and durability across the sealing surface, maintaining integrity even in demanding street or track environments.

• Manufacturer Part Number: C15741-063
• Bore Diameter: 4.150 inches
• Thickness: .063 inches
• Stud Clearance: 1/2 inch
• Engine Compatibility: GM LS Gen 3/4 SB V8
• Series: DST (Dual-Stage Technology)

Fits select 2015-2019 Dodge Challenger and Charger models (6.2L).

This Cometic Gasket DST (Distance Sealed Technology) cylinder head gasket is precision-engineered for the high-performance demands of the Chrysler Gen-3 6.2L Hemi engine. Designed specifically for the Right Hand Side (RHS) of the engine block, this gasket provides the critical sealing required for Hellcat, Demon, and Redeye applications. The DST construction is developed to handle the extreme cylinder pressures and thermal expansion typical of forced-induction Hemi powerplants.

• Manufacturer Part Number: C15732-071
• Engine: Chrysler 6.2L Hellcat Gen-3 Hemi
• Bore Diameter: 4.150 in
• Compressed Thickness: .071 in
• Technology: DST (Distance Sealed Technology)
• Position: Right Hand Side (RHS)

This gasket replaces or upgrades the factory sealing solution to ensure a reliable combustion seal in high-output environments.

Fits 2015-2019 Dodge Challenger and Charger SRT Hellcat, Demon, and Redeye models (6.2L).

Engineered to handle the extreme cylinder pressures of the supercharged Gen-3 Hemi, this Cometic DST (Distance Support Technology) cylinder head gasket provides a superior seal for high-performance forced induction applications. This RHS (Right Hand Side) gasket features specialized multi-layer construction designed to maintain critical torque retention and accommodate thermal expansion under load.

• Manufacturer Part Number: C15732-063
• Series: DST (Distance Support Technology)
• Bore Size: 4.150in
• Compressed Thickness: .063in
• Location: RHS (Right Hand Side)
• Compatible Engine: Chrysler 6.2L Hellcat Gen-3 Hemi

Fits 2015-2019 Dodge Challenger and Charger models equipped with the 6.2L engine (SRT Hellcat and SRT Demon).

This Cometic Gasket DST (Distance Sealed Technology) cylinder head gasket is precision-engineered for the Chrysler 6.2L Gen-3 Hemi engine. Designed specifically for the Left Hand Side (LHS), this gasket utilizes a 4.150-inch bore and .071-inch compressed thickness to maintain a robust seal under the high cylinder pressures of supercharged applications.

• Bore Size: 4.150 in
• Compressed Thickness: .071 in
• Series: DST (Distance Sealed Technology)
• Position: Left Hand Side (LHS)
• Manufacturer Part Number: C15731-071

Fits 2015-2019 Dodge Challenger and Charger SRT Hellcat, Demon, and Redeye models (6.2L).

This Cometic DST (Distance Stopper Technology) head gasket is engineered for the high-cylinder-pressure environments of the Gen-3 Hemi 6.2L supercharged engine. Utilizing multi-layer steel construction, the DST design incorporates a folded stopper layer for superior combustion chamber sealing. This specific gasket is designed for the left hand side (LHS) cylinder bank and features a 4.150-inch bore with a .063-inch compressed thickness, making it a reliable solution for maintaining seal integrity in forced induction Hellcat and Demon applications.

• Manufacturer Part Number: C15731-063
• Bore Size: 4.150in
• Thickness: .063in
• Material: DST Multi-Layer Steel (MLS)
• Engine: Chrysler 6.2L Gen-3 Hemi
• Orientation: Left Hand Side (LHS)

An additional HP Shim Layer can be added to provide increased stress around the combustion seal

• Proprietary high temperature coatings along with embossments

This Part Fits:

Fits 2024 Ford Mustang GT and Dark Horse models (5.0L V8 Gen-4 engine).

This Cometic HP Series cylinder head gasket is engineered to withstand the increased cylinder pressures of high-performance Ford Gen-4 Coyote applications. Designed for the right-hand side (RHS), this gasket features a 94.5mm bore and a .045-inch compressed thickness. It utilizes proprietary high-temperature coatings and precision-engineered embossments to ensure a reliable seal under extreme thermal and mechanical stress.

• Specifically designed for the Gen-4 5.0L V8 platform
• Additional HP Shim Layer provides increased clamp load around the combustion seal
• Advanced high-temperature coatings for superior fluid sealing
• Precision embossments maintain seal integrity across the head-to-block interface
• Bore Size: 94.5mm
• Thickness: .045 in
• Position: Right Hand Side (RHS)
• Manufacturer Part Number: C15697-045

Fits select 2020-2024 Ford E-350, F-250, and F-350 Super Duty models (7.3L Godzilla V8).

These Cometic Hi-Temperature (HT) header gaskets are engineered to provide a superior exhaust seal for the Ford 7.3L Godzilla engine. Measuring .060 inches thick, these gaskets are designed to conform to the sealing area for even load distribution, preventing common exhaust leaks without the need for additional sealants or secondary re-torquing. The precision construction helps maintain clamping force and creates less bore distortion compared to standard gaskets, making them an ideal choice for both stock manifolds and aftermarket headers.

• Engineered specifically for the Ford 7.3L Godzilla V8 engine
• Advanced Hi-Temperature (HT) material construction
• Thickness: .060in
• Configuration: Without heat shields
• Conforms load distribution across the sealing surface for a reliable seal
• No sealants or re-torque required after installation
• Sold as a pair
• Manufacturer Part Number: C15664

Fits 2020-2021 Ford Mustang Shelby GT350, GT350R, and GT500 (5.2L).

The Cometic MLX (Multi-Layer Xtreme) cylinder head gasket is designed for high-performance sealing on the Ford 5.2L Voodoo and Predator Modular V8 engines. This left-hand side (LHS) gasket features an integrated stopper layer that significantly improves clamp load around the cylinder. This specialized construction ensures a robust seal under high combustion pressures without increasing bore distortion, maintaining the structural integrity of your engine block and liners.

• Manufacturer Part Number: C15663-046
• Series: MLX (Multi-Layer Xtreme)
• Bore Diameter: 95mm
• Compressed Thickness: .046in
• Orientation: Left Hand Side (LHS)
• Engine Compatibility: Ford 5.2L Voodoo/Predator Modular V8
• Optimized for high-performance and forced induction applications

Fits select 2015-2021 Ford Mustang Shelby GT350, GT350R, GT500 and Dodge Challenger/Charger SRT Hellcat (5.2L).

Cometic Multi-Layer Steel (MLS) Exhaust Gaskets are engineered for high-performance applications where extreme cylinder pressures and high temperatures are the norm. These gaskets utilize embossed outer layers to ensure a reliable seal across varying surface finishes, while the uncoated stainless steel center shim provides structural integrity. Designed to maintain a consistent torque set, these gaskets resist corrosion and eliminate the risk of burnout or push-out common with inferior materials.

• Construction: Multi-Layer Steel (MLS) with stainless steel shim
• Thickness: .030in
• No sealants required for installation
• Optimized load distribution minimizes bore distortion
• Resistant to high-heat burnout and chemical corrosion
• Manufacturer Part Number: C15601-030

Ensure a reliable, high-temperature seal for your turbocharger setup with the Cometic C15586 .016in Stainless Steel T3 Divided Turbo Inlet Flange Gasket. Designed specifically for divided T3 housings, this gasket is engineered to withstand the extreme heat and pressure cycles inherent in high-performance exhaust systems.

Constructed from premium stainless steel, this gasket provides superior durability compared to standard composite or soft metal options, preventing blowouts and maintaining port integrity. The .016-inch thickness offers a precise fit for mating surfaces while accommodating the thermal expansion found in forced induction applications.

• MPN: C15586
• Material: High-grade Stainless Steel
• Thickness: .016 inch
• Flange Type: T3 Divided Turbo Inlet
• Application: Designed for high-heat turbocharger exhaust interfaces

Fits select 1983-2008 Dodge Ram 2500/3500, Ford Mustang, Ford Thunderbird, Mercury Capri, and Mercury Cougar.

The Cometic C15585 turbo inlet flange gasket is engineered to provide a high-integrity seal between the exhaust manifold and the turbine housing. Constructed from durable .016-inch thick stainless steel, this gasket is designed to handle the extreme thermal expansion and high-pressure environment of turbocharged applications without degrading or blowing out.

• Precision-cut for T3 and GT30R turbocharger inlet flanges
• Manufactured from high-grade stainless steel for maximum heat resistance
• .016 in thickness ensures a precise fit for critical sealing surfaces
• Proven performance through street, track, and dyno testing
• Manufacturer Part Number: C15585

Whether you are performing a turbocharger swap or replacing a leaking factory seal, this Cometic gasket offers a professional-grade solution to maintain boost efficiency and prevent exhaust leaks.

The Cometic C15584 .016in Stainless Steel T4 Rectangular Turbo Inlet Flange Gasket provides a high-performance sealing solution for turbocharger-to-manifold connections. Designed to withstand the extreme thermal cycling and high exhaust pressures found in turbocharged applications, this gasket ensures a secure, leak-free union between your T4-flanged manifold and turbocharger.

Constructed from premium stainless steel, this gasket is engineered for durability where standard gaskets often fail. Its precise design handles the high heat and vibration levels of performance engines, making it an essential component for both street and track-focused builds.

• Manufacturer Part Number: C15584
• Flange Type: T4 Rectangular Turbo Inlet
• Thickness: .016 in (0.4mm)
• Material: Stainless Steel
• Application: High-temperature exhaust sealing for T4 turbochargers

Fits select 2008-2021 Dodge Challenger, Charger, and Durango, Jeep Grand Cherokee, and Mitsubishi Lancer (6.2L).

This Cometic AFM series supercharger plenum gasket is engineered to provide a superior seal for high-performance forced induction setups. Manufactured from chemically blown, nitrile synthetic rubber bonded to an asbestos-free fiber core, the AFM material is designed to withstand the heat and pressure of a supercharged environment. It features a high recovery rate and excellent torque retention, ensuring a reliable seal that does not require liquid sealants or periodic re-torquing.

• Part Type: Supercharger Plenum Gasket
• Manufacturer Part Number: C15553-060
• Material: AFM (Asbestos-Free Fiber)
• Thickness: .060in
• Temperature Resistance: Over 205°F
• Recovery Rate: 85% recovery while maintaining strong torque retention
• Installation: Requires no sealants or re-torquing

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

Engineered for high-performance applications, the Cometic MLX (Multi-Layer Xtreme) cylinder head gasket provides superior sealing for the Ford Gen-3 Coyote modular V8. This left-hand side (LHS) gasket utilizes advanced multi-layer steel technology to provide an improved clamp load around the cylinder, ensuring a reliable seal under high combustion pressures without increasing bore distortion.

The MLX series features an extra stopper layer to provide a leading edge against combustion, making it an ideal choice for high-horsepower naturally aspirated or forced induction builds where head lift and gasket failure are common concerns.

• Manufacturer Part Number: C15549-052
• Engine Fitment: Ford 5.0L Gen-3 Coyote Modular V8
• Bore Diameter: 94.5mm
• Compressed Thickness: .052in
• Orientation: Left Hand Side (LHS)
• Design: MLX (Multi-Layer Xtreme) technology
• Materials: High-quality multi-layer stainless steel

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

This Cometic MLX (Multi-Layer Xtreme) LHS cylinder head gasket is engineered specifically for the Gen-3 Ford 5.0L Coyote Modular V8. It features proprietary HP shim technology designed to increase clamp load around the combustion chamber. This ensures a more robust seal on open-deck blocks while preventing the cylinder bore distortion often caused by higher torque loads.

• Specifically designed for the Left Hand Side (LHS) cylinder head.
• 94.5mm bore diameter with a .040-inch compressed thickness.
• MLX technology features an extra fold-over stopper layer for high-cylinder pressure sealing.
• Embossed outer layers are coated with Viton to ensure a reliable seal across various surface finishes.
• Designed to meet the demands of performance street and track applications.
• Manufacturer Part Number: C15549-040

Vehicle Fitment:

• 2019-2020 Ford Mustang Bullitt
• 2018-2023 Ford Mustang GT
• 2018-2023 Ford Mustang GT Premium
• 2021-2023 Ford Mustang Mach 1

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

The Cometic MLX (Multi-Layer Extreme) Cylinder Head Gasket is engineered to meet the sealing demands of the Gen-3 Ford Coyote Modular V8. Designed specifically for the Right Hand Side (RHS), this gasket utilizes an integrated stopper layer to improve clamp load around the cylinder without increasing bore distortion. This advanced construction ensures a reliable seal under the high cylinder pressures of performance street and track applications.

• Series: MLX (Multi-Layer Extreme)
• Bore Size: 94.5mm
• Thickness: .052in
• Engine Compatibility: Ford 5.0L Gen-3 Coyote V8
• Position: Right Hand Side (RHS)
• Manufacturer Part Number: C15548-052

This MLX gasket provides a robust sealing solution for those seeking a durable alternative to OE components when rebuilding or upgrading their 5.0L engine.

Fits 2018-2023 Ford Mustang Bullitt, GT, GT Premium, and Mach 1 models equipped with the 5.0L Gen-3 Coyote Modular V8.

This Cometic MLX (Multi-Layer Xtreme) RHS (Right Hand Side) cylinder head gasket is engineered to meet the sealing demands of high-output Ford Gen-3 Coyote engines. Utilizing advanced HP shim technology, this gasket increases clamp load around the combustion chamber without increasing bore distortion—a critical factor for maintaining engine health and performance on open deck blocks. The multi-layer steel construction features embossed outer layers coated in Viton to ensure a reliable, micro-sealed finish against the head and block surfaces.

• Manufacturer Part Number: C15548-040
• Bore Size: 94.5mm
• Thickness: .040in
• Engine Location: Right Hand Side (RHS)
• Material: MLX (Multi-Layer Xtreme) with Viton-coated outer layers
• Fitment: 2018-2023 Ford 5.0L Gen-3 Coyote V8

Fits select 1997-2020 Buick, Cadillac, Chevrolet, GMC, Hummer, and Isuzu vehicles equipped with Gen III/IV LS-series V8 engines (including LS1, LS2, LS3, and LS6).

This Cometic Multi-Layer Steel (MLS) cylinder head gasket is engineered to handle the rigorous sealing demands of high-performance GM Small Block V8 engines. Featuring advanced HP shim technology, it increases clamp load around the combustion chamber to ensure a reliable seal, specifically on open deck blocks. The embossed outer layers are coated with Viton to provide a superior macro-seal against a variety of surface finishes and harsh load conditions.

• HP shim technology increases clamp load around the combustion chamber for improved sealing.
• Viton-coated embossed outer layers meet the demands of various surface finishes and thermal expansion.
• Uncoated stainless steel center shim layer provides structural integrity and adjustable thickness.
• Engineered to require less clamp load, reducing cylinder bore distortion for better ring seal.
• Provides even load distribution across the entire sealing area.

• Manufacturer Part Number: C15522-040
• Bore Size: 4.080 in
• Compressed Thickness: .040 in
• Material: Multi-Layer Steel (MLS)
• Coating: Viton
• Engine Series: GM Gen III/IV LS V8