What is the main advantage of an MLS head gasket?

Multi-Layer Steel (MLS) head gaskets offer better sealing and can withstand higher pressures and temperatures than older composite gaskets. Their layered construction allows them to conform to engine surfaces while remaining strong.

What does the .040 thickness signify?

The 0.040 inch thickness indicates this gasket is slightly thinner than stock, which can be used in engine rebuilds or modifications to slightly alter the compression ratio. It's important to ensure this thickness is appropriate for your specific engine build.

What is the typical application for this type of head gasket?

This Cometic MLS head gasket is commonly used during engine rebuilds or when modifying the top end of a 2014+ Harley-Davidson Twin Cooled engine. It's chosen for its sealing performance under demanding conditions.

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Specifications

Brand: Cometic Gasket
Part #: C10088-040
UPC: 191070181277

Cometic 2014+ Harley-Davidson Twin Cooled 4.250 .040 MLS Head Gasket

Name: Cometic 2014+ Harley-Davidson Twin Cooled 4.250 .040 MLS Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-2014-harley-davidson-twin-cooled-4-250-040-mls-head-gaske-t14-688738
Price: 68.48 USD
Availability: BackOrder

$68.48

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Cometic MLS Head Gasket for 2014+ Harley-Davidson Twin Cooled 4.250 engines. Part# C10088-040.

Key Features

Fits 2014+ Harley-Davidson Twin Cooled 4.250 bore engines.
Multi-Layer Steel (MLS) construction for improved sealing and durability.
Gasket thickness is 0.040 inches.
Designed for engine rebuilds and modifications.

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About this part

Product Details

This is a Cometic Multi-Layer Steel (MLS) head gasket specifically made for 2014 and newer Harley-Davidson Twin Cooled engines with a 4.250 inch bore. It's designed to be 0.040 inches thick, which is a common size for engine rebuilds or modifications where a slight change in compression ratio might be desired.

MLS head gaskets are known for their durability and ability to handle higher pressures and temperatures compared to traditional composite gaskets. They are made from multiple layers of steel, often with a special coating, which helps them conform to the sealing surfaces while maintaining their integrity under stress. This makes them a solid choice for keeping your Twin Cooled Harley's engine sealed up tight, especially if you're working on the top end.