9349 products
Sort by
Sort by
Special order
COMETIC C5038-028 Head Gasket .028" MLX GM LT1 6.2L GEN V 2014+ 4.100"
Special order
COMETIC C5245-030 Head Gasket .030" MLS 18 OR 23 DEG HEADS CHEVY SM BLOCK 4.060" BORE
Special order
COMETIC C5445-070 Head Gasket .070" MLS-5 4.310" GASKET BORE CHRYS 426 HEMI TO '99' 4.250"
Special order
COMETIC C5410-086 Head Gasket .086" MLS W/VALVE POCKETS GM SM BLOCK 4.165" BORE
Special order
COMETIC C5249-062 Head Gasket .062" MLS-5 W/ALL STEAM HOLES CHEVY SM BLOCK 4.200" BORE
Special order
COMETIC C5014-032 Head Gasket .032" MLX GM LS SERIES V8 4.150" BORE
Special order
COMETIC C5213-027 Head Gasket .027" MLS 93MM DODGE POWERTECH 4.7L V8 99-07
Special order
COMETIC C5433-095 Head Gasket .095" MLS-5 4.57" BORE H/G BRODIX CHEVY BIG DUKE/BRODIE
Special order
COMETIC C5246-089 Head Gasket .089" MLS-5 18 OR 23 DEG HEADS CHEVY SM BLOCK 4.100" BORE
Special order
COMETIC C5403-056 Head Gasket .056" MLS-5 ALL 12-23 DEG HEAD CHEVY SM BLOCK BRODIX 4.200"
Special order
COMETIC C5441-140 Head Gasket .140" MLS DODGE 6.1L HEMI 4.125" BORE
Special order
COMETIC C5119-040 Head Gasket .040" MLS FORD 4.6L V-8 RIGHT SIDE 92MM
Special order
COMETIC C5411-040 Head Gasket .040" MLS W/VALVE POCKETS GM SM BLOCK 4.060" BORE
Special order
COMETIC C5220-045 Head Gasket .045" MLS GM 3.1L 60 DEG V6 L82 91MM
Special order
COMETIC C5083-050 Head Gasket 050" MLS-5 GEN 5-6 CHEVY BB HEAD GSK 4.510" BORE
Special order
COMETIC C5433-036 Head Gasket 036 MLS 4.57" BORE BRODIX CHEVY BIG DUKE/BRODIE
Special order
COMETIC C5399-051 Head Gasket .051" MLS- ALL 12-23 DEG. HEAD CHEVY SM BLOCK BRODIX 4.030"
Special order
COMETIC C5404-051 Head Gasket .051" MLS- BD2000 HEADS CHEVY SM BLOCK BRODIX 4.030"
Special order
COMETIC C5210-080 Head Gasket .080" MLS-5 51-58 DODGE HEMI 392 57-58 4.000"
Special order
COMETIC C5027-080 Head Gasket .080" MLS-5 - LHS DODGE 6.4l HEMI 2011+ 4.120"
Special order
COMETIC C5401-060 Head Gasket .060" MLS-5 ALL 12-23 DEG HEAD CHEVY SM BLOCK BRODIX 4.135"
Special order
COMETIC C5408-075 Head Gasket .075" MLS-5 - BD2000 HEADS CHEVY SM BLOCK BRODIX 4.200"
Special order
COMETIC C5118-075 Head Gasket .075" MLS-5 FORD 4.6L V-8 LEFT SIDE 92MM
Special order
COMETIC C5369-036 Head Gasket .036" MLS FORD 2.3L 4CYL 3.83" (97MM)
Special order
COMETIC C4984-040 Head Gasket .040" MLS DOHC MAZDA 1.8L BP 2001-05 85MM
Special order
COMETIC C5369-051 Head Gasket .051" MLS FORD 2.3L 4CYL 3.83" (97MM)
Special order
COMETIC C5076-052 Head Gasket .052" MLX 4-LAYER GM LSX LHS 4.100" BORE
Special order
COMETIC C5403-051 Head Gasket .051" MLS- ALL 12-23 DEG. HEAD CHEVY SM BLOCK BRODIX 4.200"
Special order
COMETIC C5365-060 Head Gasket .060" MLS-5 RIGHT SIDE HEAD GS FORD 302/351 SVO 4.18" BORE
Special order
COMETIC C5366-050 Head Gasket .050" MLS-5 LEFT HEAD GASKT FORD 302/351 SVO 4.20" BORE
Special order
COMETIC C5434-140 Head Gasket 140"MLS 4.63" BORE BRODIX CHEVY BIG DUKE/BRODIE
Special order
COMETIC C5027-060 Head Gasket .060" MLS - LHS DODGE 6.4l HEMI 2011+ 4.120"

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.