ATHENA (MLS) Multi Layer Gasket

Material

ATHENA MLS gaskets consist of 3 to 5 layers made from various raw materials, designed to operate at higher compression levels than stock configurations. The type of steel used varies based on engine requirements.

These gaskets ensure an even torque load across the sealing surface, compensating for any bore distortion. They are suitable for both aluminum heads to cast iron blocks and aluminum heads to aluminum blocks.

Manufacturing Process

Athena MLS Head Gaskets are crafted from high-grade 301 stainless steel. Each layer is precisely formed using advanced laser cutting technology and is embossed through an optimized formation process. Two of the gasket layers undergo a stress-relieving process to minimize stress induced by embossment.

A proprietary two-part polymer coating is applied post-stress relief, ensuring uniform coverage of the outer layers without breaks in the coating. This process guarantees a micro seal for engine coolant and oil fluids.

Athena MLS gaskets are rigorously tested on Engine Dynos and endurance performance metrics.

Gas Stopper Technology

This technology is a critical design feature of racing MLS head gaskets. The stainless-steel stopper layer incorporates an “active fold” that creates a high-pressure seal around the cylinder bore when the cylinder head is tightened. The gas stopper is positioned around the combustion chamber, allowing for tighter clamping between the cylinder head and engine block, effectively preventing gas leaks and minimizing component distortion through quicker temperature equalization.

Benefits

• Superior sealing properties under high pressure conditions
• Higher elasticity and constant load resistance
• Optimized load balance
• Improved engine performance
• Longer durability

Proprietary Coating Technology

The two-part polymer coating applied after the stress-relieving process ensures uniform coverage of the outer layers, providing a continuous seal. The first layer is a high-temperature compound that conforms to fill irregularities in the engine block deck and cylinder head surfaces, sealing surface finishes up to 60 Ra. The second layer releases easily, preventing adhesion to mating surfaces during engine disassembly.

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