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In-Store Pickup Location

Cometic MLS Head Gaskets C5511-027

Cometic C5511-027 - Cometic MLS Head Gaskets

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Head Gasket, MLS, 4.030 in. Bore, .027 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

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WARNING: This product can expose you to a chemical such as Carbon Black that is known to the state of California to cause cancer. For more information, visit

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Brand: Cometic

Manufacturer's Part Number: C5511-027

Part Type: Head Gaskets

Product Line: Cometic MLS Head Gaskets

Summit Racing Part Number: CGT-C5511027

UPC: 191070006792

Bore (in): 4.030 in.

Bore (mm): 102.362mm

Gasket Material: Multi-layer stainless steel

Compressed Thickness (in): 0.027 in.

Compressed Volume (cc): 5.644cc

Lock Wire: No

Quantity: Sold individually.

In-Store Pickup: Choose In-store pick-up (OH, NV, GA, TX) on our web site.

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Cometic MLS head gaskets are constructed from multiple layers of stainless steel for strength and contain load-controlled embossments that conform load distribution across the sealing area. This creates an exceptional seal by requiring less clamp load--resulting in less bore distortion. The stainless steel outer layers utilizing FKM (Viton®) rubber coating, a high-temperature and chemical-resistant polymer. A topcoat of PTFE aids in resistance to fret and increased cold sealing. MLS head gaskets are available for most aftermarket cylinder heads; as with all of Cometic's MLS head gaskets, no sealants or re-torque is required.

Questions & Answers Ask a Product Question

Are these gaskets compatible with aluminum Heads

Asked by PHILIPPE on June 06, 2018


Yes, from what I’ve read the composition of these gaskets is about the best. I have aluminum heads on my 408W so far they are great.

JAMES from MT answered on October 26, 2018

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Are these gaskets compatible with aluminum Heads? ( Edl-5025)

Asked by PHILIPPE on June 06, 2018


Yes they r the best u can put on.

DUDLEY from TX answered on June 06, 2018

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Are these gaskets compatible with factory iron heads?

Asked by LARRY on January 14, 2017


Yes they are..

GARRETT from GA answered on January 15, 2017

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What size head dowels are the gaskets for they seem to small to for my block.

Asked by GREGORY on October 02, 2017

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Some parts are not legal for use in California or other states with similar laws / regulations

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