9349 products
Sort by
Sort by
Special order
COMETIC C15453-042 HOLDEN 253/304/308 V8 .042" ArmorCore Exhaust Header Manifold Gasket
Special order
COMETIC C15378-040 CHRYSLER VX I Viper .040" MLS Cylinder Head Gasket, 4.125" Bore, RHS
Special order
COMETIC C15171-066 FORD Y-Block V8 .066" MLS Cylinder Head Gasket, 3.860" Bore, LHS
Special order
COMETIC C4521-084 PEUGEOT XU10J4RS .084" MLS Cylinder Head Gasket, 88mm Bore
Special order
COMETIC C15368-044 FORD 5.0L Gen-1 Coyote Modular V8 .044" MLX Cylinder Head Gasket, 94mm Bore, LHS
Special order
COMETIC C15572HT FORD 302/351W .060" HT Exhaust Header Gasket Set, 1-5/8" Primary
Special order
COMETIC C15134 FORD 59A Flathead V8 .015" Fiber Timing Cover Gasket
Special order
COMETIC C15502-052 GM LSX Gen-4 Small Block V8 .052" MLX Cylinder Head Gasket, 4.165" Bore, 1/2" and 3/8" Studs, LHS
Special order
COMETIC C4143-066 FORD Pre-Crossflow OHV Kent, Crossflow OHV Kent; Cosworth BD Series; LOTUS Twin Cam .066" MLS Cylinder Head
Special order
COMETIC C15524-060 GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .060" MLS Cylinder Head Gasket, 4.200" Bore
Special order
COMETIC C15175-067 FORD 6.4L Power Stroke .067" MLX Cylinder Head Gasket, 103mm Bore, Revision B
Special order
COMETIC C4142-027 FORD Pre-Crossflow OHV Kent, Crossflow OHV Kent; Cosworth BD Series; LOTUS Twin Cam .027" MLS Cylinder Head
Special order
COMETIC C15257-040 BMW N54B30 .040" MLX Cylinder Head Gasket, 85mm Bore
Special order
COMETIC C15569HT CHRYSLER 5.7L/6.1L Hemi .060" HT Exhaust Header Gasket Set
Special order
COMETIC C15567HT FORD 4.6L/5.4L SOHC 3 Valve .060" HT Exhaust Header Gasket Set
Special order
COMETIC C4180-080 HONDA B18A1/B18B1 .080" MLS Cylinder Head Gasket, 84mm Bore
Special order
COMETIC C15381-040 FORD 4.0L SOHC Cologne V6 .040" MLX Cylinder Head Gasket, 103mm Bore, RHS
Special order
COMETIC C4319-027 NISSAN RB26DETT .027" MLS Cylinder Head Gasket, 86mm Bore
Special order
COMETIC C4103-092 FORD Pre-Crossflow OHV Kent, Crossflow OHV Kent; Cosworth BD Series; LOTUS Twin Cam .092" MLS Cylinder Head
Special order
COMETIC C15623-028 CHRYSLER ED3/EDG World Engine .028" MLX Cylinder Head Gasket, 89.45mm Bore
Special order
COMETIC C4255-074 HONDA H22A1/H22A2 .074" MLS Cylinder Head Gasket, 87mm Bore
Special order
COMETIC C15564HT FORD 302/351W .060" HT Exhaust Header Gasket Set, 1-3/4" Primary
Special order
COMETIC C4167-065 HONDA D15Z1/D16Y5/D16Y7/D16Y8/D16Z6 .065" MLS Cylinder Head Gasket, 78mm Bore
Special order
COMETIC C15624-041 FORD 302/351W Windsor V8 .041" MLS Cylinder Head Gasket, 4.210" Bore, Valve Pocketed Bore, SVO/Yates, All
Special order
COMETIC C4343-045 NISSAN VQ30DE/VQ35DE Version 1 .045" MLS Cylinder Head Gasket, 100mm Bore, LHS, NOT VQ30DE-K
Special order
COMETIC C4368-051 ROVER 3.5/3.9L V8 .051" MLS Cylinder Head Gasket, 94mm Bore, 14 Bolt Head
Special order
COMETIC C15620-040 CHRYSLER Gen-2 426 Hemi .040" MLS Cylinder Head Gasket, 4.500" Bore, World Products Block
Special order
COMETIC C4228-140 PEUGEOT XU9J4/XU9J4Z/XU10J2/XU10J4 .140" MLS Cylinder Head Gasket, 88mm Bore
Special order
COMETIC C4181-066 HONDA B18A1/B18B1 .066" MLS Cylinder Head Gasket, 83mm Bore
Special order
COMETIC C4103-066 FORD Pre-Crossflow OHV Kent, Crossflow OHV Kent; Cosworth BD Series; LOTUS Twin Cam .066" MLS Cylinder Head
Special order
COMETIC C15089-080 FORD 239/255 Flathead V8 .080" MLS Cylinder Head Gasket, 3.375" Bore, 24 Bolt, LHS
Special order
COMETIC C4360-027 Cylinder head gasket (1pc) SUBARU EJ20 .027 "MLS, 103mm Bore (2 pcs per engine)

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.