Collection: Cylinder Head Gaskets

Head Gasket: Performance Head Gaskets, MLS Gaskets and Engine Sealing Solutions

Cylinder head gaskets are critical sealing components that sit between the engine block and cylinder head, preventing combustion gases, coolant, and engine oil from leaking between these surfaces. Proper sealing at this interface is essential for maintaining compression, thermal stability, and long-term engine reliability in any internal combustion engine.

Head Gasket

A head gasket must withstand extreme operating conditions, including combustion pressures exceeding 1,000 psi and temperatures above 200°C in high-performance engines. Its primary function is to seal the combustion chamber while isolating oil and coolant passages. Failure at this level can lead to compression loss, overheating, and severe engine damage.

Performance Head Gasket

A performance head gasket is engineered to handle increased cylinder pressure and thermal stress. These gaskets are commonly used in high-compression engines, turbocharged setups, and racing applications where standard gaskets may fail under elevated loads.

MLS Head Gasket

An MLS head gasket (Multi-Layer Steel) consists of multiple layers of steel designed to provide superior sealing strength and durability. MLS gaskets resist head lift and maintain sealing integrity under high boost and extreme engine conditions, making them a preferred choice in performance builds.

Engine Head Gasket Replacement

Engine head gasket replacement is a critical procedure in engine repair and rebuilding. Head gasket failure is a leading cause of engine overheating and accounts for a significant portion of major engine repairs. Proper installation requires precise surface preparation, correct torque sequences, and accurate component alignment.

High Performance Head Gasket

A high performance head gasket is designed for maximum sealing strength in demanding applications. It ensures consistent compression, prevents fluid leaks, and supports long-term durability in engines operating under high load and elevated temperatures.

Engine Builder Considerations

For engine builders, selecting the correct head gasket is essential for maintaining compression, preventing leaks, and ensuring engine reliability. Material selection, thickness, and compatibility with engine components all play a critical role in achieving optimal performance and durability.

4.100 MLX Head Gasket .040 GM LT1/LT4 Gen-V
Cometic

4.100 MLX Head Gasket .040 GM LT1/LT4 Gen-V

2 010 SEK
SKU: CAGC5038-040
Available to Backorder
4.165 MLX Head Gasket .040 - SBC
Cometic

4.165 MLX Head Gasket .040 - SBC

2 005 SEK
SKU: CAGC5031-040
Available to Backorder
4.120 MLS Head Gasket LH .051 6.4L Gen III Hemi
Cometic

4.120 MLS Head Gasket LH .051 6.4L Gen III Hemi

1 763 SEK
SKU: CAGC5027-051
Available to Backorder
4.12 MLS Head Gasket LH .040 Dodge 6.4L Hemi
Cometic

4.12 MLS Head Gasket LH .040 Dodge 6.4L Hemi

1 719 SEK
SKU: CAGC5027-040
Available to Backorder
4.120 MLS Head Gasket RH .051 6.4L Gen III Hemi
Cometic

4.120 MLS Head Gasket RH .051 6.4L Gen III Hemi

1 754 SEK
SKU: CAGC5026-051
Available to Backorder
4.12 MLS Head Gasket RH .040 Dodge 6.4L Hemi
Cometic

4.12 MLS Head Gasket RH .040 Dodge 6.4L Hemi

1 719 SEK
SKU: CAGC5026-040
Available to Backorder
4.200 MLX Head Gasket SBF Non-SVO Round Bore
Cometic

4.200 MLX Head Gasket SBF Non-SVO Round Bore

2 002 SEK
SKU: CAGC5025-040
Available to Backorder
4.150 MLX Head Gasket .052 GM LS 6.0L/6.2L
Cometic

4.150 MLX Head Gasket .052 GM LS 6.0L/6.2L

2 110 SEK
SKU: CAGC5014-052
Available to Backorder
Nissan MLS Head Gasket 87mm Bore .060 SR20DE
Cometic

Nissan MLS Head Gasket 87mm Bore .060 SR20DE

2 066 SEK
SKU: CAGC4575-060
Available to Backorder
85mm MLS Head Gasket .070 - BMW M20 2.5/2.7L
Cometic

85mm MLS Head Gasket .070 - BMW M20 2.5/2.7L

3 817 SEK
SKU: CAGC4394-070
Available to Backorder
BMW M54B25/M54B30 .030in MLS Cylinder Head Gasket
Cometic

BMW M54B25/M54B30 .030in MLS Cylinder Head Gasket

2 964 SEK
SKU: CAGC4352-030
Available to Backorder
89mm MLS Head Gasket .030 - Honda
Cometic

89mm MLS Head Gasket .030 - Honda

1 714 SEK
SKU: CAGC4335-030
Available to Backorder
Honda K20A2/K20A3/K20Z1/ K24A1 .051in
Cometic

Honda K20A2/K20A3/K20Z1/ K24A1 .051in

1 655 SEK
SKU: CAGC4312-051
Available to Backorder
Honda K20A2/K20A3/K20Z1/ K24A1 .040in
Cometic

Honda K20A2/K20A3/K20Z1/ K24A1 .040in

1 644 SEK
SKU: CAGC4312-040
Available to Backorder
Honda K20A2/K20A3/K20Z1/ K24A1 .030in
Cometic

Honda K20A2/K20A3/K20Z1/ K24A1 .030in

1 635 SEK
SKU: CAGC4312-030
Available to Backorder
Honda K20A2/K20A3/K20Z1/ K24A1 .051in
Cometic

Honda K20A2/K20A3/K20Z1/ K24A1 .051in

1 655 SEK
SKU: CAGC4311-051
Available to Backorder
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