9349 products
Sort by
Sort by
Special order
COMETIC C4156-060 Cylinder Head Gasket (MITSUBISHI 4G63 EVO 4-8, Bore 86 mm, 1.5 mm) Photo-0
Special order
COMETIC C14202-024 Cylinder Head Gasket .024" with VTEC (73.5mm Bore) for HONDA Accord 2018-2023/ Civic 2022-2023/ CR-V 2023 Photo-0
Special order
COMETIC 3169V-16 5.5 X 12 X 13.8 X 14.5 VITON METAL JACKET(NO INT RUB), 16 PK
Special order
COMETIC 3219V-16 .265" x .500" x .635" x 1.126" Metal Jacket Valve Stem Seal, Green, 16 Pack
Special order
COMETIC 3215V-16 .265" x .500" x .555" x .638" Metal Jacket Valve Stem Seal, Green, 16 Pack
Special order
COMETIC 3164V-16 8 x 12.3 x 12 x 17 Viton Valve Stem Seal, Positive Ring & Band, 16 Pack
Special order
COMETIC 3159V-16 6 x 11.75 x 15 x 14.6 Viton Metal Jacket Valve Stem Seal, 16 Pack
Special order
COMETIC 3218V-16 .265" x .500" x .635" x 1.126" Metal Jacket Valve Stem Seal, Yellow, 16 Pack
Special order
COMETIC 3214V-16 .265" x .500" x .555" x .645" Metal Jacket Valve Stem Seal, Yellow, 16 Pack
Special order
COMETIC 3168V-16 7.5 x 14 x 13 x 16.8 Viton Valve Stem Seal, 16 Pack
Special order
COMETIC 3158V-16 6 x 10.7 x 11.5 x 13.8 Viton Metal Jacket Valve Stem Seal, 16 Pack
Special order
COMETIC 3217V-16 .256" x .500" x 1.020" x 1.000" Viton Metal Jacket Hat Valve Stem Seal, 16 Pack
Special order
COMETIC C4122-080 Head Gasket .080" MLS-5 HEAD B6D MOTOR MAZ MIATA 1.6L 80MM
Special order
COMETIC 3239V-16 .162" x .288" .333" x .219" Viton Positive With Ring Valve Stem Seal, 16 Pack
Special order
COMETIC C4862 SUBARU EJ22E Timing Cover Set
Special order
COMETIC C4678 Rear Main Crankshaft Seal for HONDA A20 / B18 / B20 / D16 Series Engines
Special order
COMETIC C4924 AFM Intake Manifold Gasket Set for PORSCHE M44 Engine
Special order
COMETIC C4705 Rear Main Crankshaft Seal for HONDA C / D / K Series Engines
Special order
COMETIC C4914 Timing Cover Seal for NISSAN CA / RB / VG Series Engines
Special order
COMETIC C4739 Camshaft Seal Set for NISSAN CA / RB / VG Series Engines
Special order
COMETIC C4660 Oil Pan Gasket for HONDA D / EV / EW Series Engines
Special order
COMETIC C4658 Camshaft Seal for HONDA A20 / B20 / D15 / D16 Series Engines
Special order
COMETIC C4659 Thermostat Gasket for HONDA B16 / B18 / B20 / D15 / D16 Series Engines
Special order
COMETIC C4663 Rear Main Crankshaft Seal Kit for HONDA D15 / D16 / EV / EW Series Engines
Special order
COMETIC C4925 PORSCHE M28.01-04/M28.09-22 928, M44.07-10 924, M44.01-10/M44.11-12/M44.40/M44.51-52 944 .018" AFM Camshaft Hou
Special order
COMETIC C4273-086 Cylinder Head Gasket .086" MLS for PORSCHE M44 Engine
Special order
COMETIC C15383 FORD/GM 1986+ Fuel Injector O-Ring, 8 Pack
Special order
COMETIC C4718 MITSUBISHI 6G72 .020" Fiber Timing Cover Set, 1988-1996
Special order
COMETIC C4833 TOYOTA 2RZ-FE/3RZ-FE .020" Fiber Timing Cover Set, 1997-2004
Special order
COMETIC C4891 Cosworth BD Series, FVA/FVC; LOTUS Twin Cam .060" AFM Oil Pan Rails Kit
Special order
COMETIC C14142-032 Cylinder Head Gasket .032" MLX for PORSCHE MA1 / MDA / MDB / MDG / MDH Series Engines
Special order
COMETIC C14057-060 JAGUAR 3.4L XK6 .060" AFM Cam Cover, Right

COMETIC Gasket Engineering for Performance Engine Builds

COMETIC has established a strong reputation in the performance automotive industry for producing high-quality engine sealing components designed for demanding engine environments. The brand specializes in advanced gasket technology used in high-performance engines, motorsport powerplants, and high-output automotive applications. Proper engine sealing is critical in modern performance engines, where elevated combustion pressures, high temperatures, and aggressive tuning place extreme demands on internal components. COMETIC products are engineered to maintain reliable sealing between engine components, helping preserve compression, prevent fluid leaks, and ensure long-term engine durability.

Modern performance engines rely on precise sealing systems to maintain stable combustion and proper lubrication. Turbocharged engines, high-compression builds, and racing engines generate significantly greater cylinder pressure than standard production engines. In these conditions, conventional sealing solutions may struggle to maintain consistent sealing under thermal expansion and mechanical stress. High-performance head gaskets and engine gasket sets are therefore essential for maintaining structural integrity and engine reliability when operating at elevated power levels.

Engineering Principles Behind Modern Head Gasket and Sealing Solutions

The head gasket is one of the most critical components in any internal combustion engine. It seals the interface between the engine block and cylinder head, ensuring that combustion pressure remains contained within the combustion chamber while preventing coolant and oil passages from mixing. Precision gasket engineering must account for thermal expansion, surface finish variations, and high mechanical loads generated during engine operation.

Modern performance engine gaskets often utilize Multi-Layer Steel (MLS) construction. MLS head gaskets consist of multiple layers of stainless steel designed to maintain strong sealing force while adapting to small variations in surface movement between engine components. This construction allows the gasket to maintain sealing integrity even when engines operate under extreme boost pressure or high cylinder temperatures.

In high-performance engine builds, gasket materials must resist fatigue, maintain elasticity under repeated stress cycles, and withstand rapid temperature changes. Precision sealing solutions designed for performance engines are carefully engineered to distribute clamping force evenly across the cylinder head surface. This helps maintain stable compression levels and prevents combustion gases from escaping into cooling or lubrication passages.

COMETIC Head Gaskets and Engine Sealing Components

The COMETIC collection available at ATOMIC-SHOP includes a variety of performance engine sealing components designed for high-performance engine builds and motorsport applications. These products are engineered to support engines operating under increased power output, elevated boost levels, and aggressive driving conditions.

Products available in this category typically include high-performance head gaskets, MLS head gaskets, complete engine gasket kits, and specialized sealing components used in performance engine assembly. These components are commonly used during engine rebuilds, turbocharged engine upgrades, and high-compression racing engine builds where sealing reliability becomes particularly important.

  • MLS head gaskets designed for high-compression engines
  • Performance gasket kits developed for racing engine builds
  • Precision sealing components for turbocharged engines
  • Engine gasket solutions designed for durability under high pressure

COMETIC Gaskets in High-Performance Engines and Motorsport

High-performance engine builds used in motorsport or track driving environments often require upgraded sealing components capable of withstanding significantly greater mechanical loads. Engines operating with increased boost pressure or higher compression ratios place intense stress on cylinder head sealing surfaces. Precision engine sealing systems help maintain consistent combustion pressure and prevent failures that could lead to engine damage.

Performance platforms such as the Toyota 2JZ, Nissan RB26, and modern BMW turbo engines frequently utilize upgraded head gaskets during high-horsepower builds. These engines are capable of producing substantial power levels when properly tuned, but maintaining reliable sealing between the cylinder head and engine block becomes essential as cylinder pressures increase.

Motorsport environments often push engines to their limits during extended high-load operation. Vehicles participating in track driving events or competitive racing must rely on robust engine sealing technology to maintain consistent performance. In regions with strong performance car culture, including the Middle East, high-performance engines frequently undergo upgrades that require durable sealing components capable of supporting increased boost pressure and aggressive engine tuning.

Choosing Engine Gaskets for High-Performance Builds

Selecting the appropriate engine gaskets for a performance build requires careful consideration of engine configuration, boost pressure, compression ratio, and intended operating conditions. High-performance engines operating at elevated cylinder pressures require gasket materials capable of maintaining sealing integrity under extreme stress.

MLS head gaskets are commonly selected for turbocharged engines and high-compression builds because of their ability to maintain strong sealing force across multiple layers of stainless steel. These gaskets can adapt to minor surface movements caused by thermal expansion while maintaining consistent combustion sealing.

Engine builders often choose complete gasket kits during engine rebuilds to ensure that all sealing components are replaced simultaneously. Precision sealing components help maintain proper oil flow, coolant circulation, and combustion containment throughout the engine assembly. By using high-quality gasket systems, engine builders can significantly improve reliability and durability in high-performance engines.

COMETIC Engine Sealing Components at ATOMIC-SHOP

ATOMIC-SHOP offers a selection of COMETIC engine sealing components designed for performance engines and high-output automotive applications. The available range includes high-performance head gaskets, MLS sealing solutions, and engine gasket sets developed for demanding engine environments.

These precision gasket systems reflect the brand’s expertise in high-pressure engine sealing technology and performance engine reliability. For engine builders and enthusiasts working on turbocharged engines, racing engines, or high-compression performance builds, COMETIC sealing solutions provide the durability and engineering precision required for modern high-performance engine applications.