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Cometic Ford FE V8 .066in MLS Cylinder Head Gasket - 4.300in Bore - Does Not Fit 427 SOHC Cammer

SKU: CGSC5523-066

Head Gaskets

CG Head Gaskets...

Cometic Ford FE V8 .066in MLS Cylinder Head Gasket - 4.300in Bore - Does Not Fit 427 SOHC Cammer

SKU: CGSC5523-066

Head Gaskets

CG Head Gaskets...

A$403.09
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Description

The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250°C or 482°F.

Product Overview

The Cometic MLS gasket is comprised of three to five layers of stainless steel. Cometic uses stainless steel for increased strength, its ability to rebound and resist corrosion. The outer layers of the gasket are embossed and coated on both sides with a Viton rubber material designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The Viton coating is heat resistant to 250°C or 482°F.


Features and Benefits

  • Coated On Both Sides w/Viton

Product Details

Description:Ford FE V8 Cylinder Head Gasket
Engine Make/Size:Ford FE Big Block
Part Number:cgsC5523-066
Prop 65 (C, R or CR):CR
Prop 65 - Short Label:Prop_65.jpg
Prop 65 Warning Label:Prop_65.jpg
Prop 65 Yes/No:Yes
Title:Cometic Gasket Automotive Ford FE V8 .066 in MLS Cylinder Head Gasket, 4.300 in Bore, Does Not Fit 427 SOHC Cammer
WARNING CA Proposition 65 Message:The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects. For more information; visit www.p65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Engine Cylinder Head Gasket

Data: v4.2 - Upd: 2026-10-14 00:06:16

Features

  • Coated On Both Sides w/Viton
  • Conforms load distribution across the sealing area
  • Requires less clamp load creating less bore distortion
  • The center or shim layer is an uncoated stainless steel layer which can be varied to accommodate multiple thickness requirements
  • The embossed outer layers of the gaskets meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes

Specifications

Product Attributes - Brand
Cometic
Product Attributes - Manufacturer's Part Number
C5523-066
Product Attributes - Part Type
Head Gaskets
Product Attributes - Product Line
Cometic MLS Head Gaskets
Product Attributes - UPC
00191070134532
Product Attributes - Bore (in.)
4.300 in.
Product Attributes - Bore (mm)
109.600mm
Product Attributes - Gasket Material
Multi-layer steel
Product Attributes - Compressed Thickness (in.)
0.066 in.
Product Attributes - Lock Wire
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Cometic Gasket
StreetFX SKU cgsC5523-066
SFX Item ID 4169606
Supplier Item Code 4169606
Manufacturer SKU C5523-066
Manufacturer UPC 191070134532
Alternative References CGT-C5523-066, .066in, 4.300in

Compatibility

Application Data
  • MakeMERCURY
    ModelCOMMUTER
    SubmodelSQUIRE
    Beginning Year1969
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
  • MakeMERCURY
    ModelCOMMUTER
    SubmodelSUPER COBRA JET
    Beginning Year1963
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelCOMMUTER
    SubmodelMK III
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.7L/410
  • MakeMERCURY
    ModelCOMMUTER
    SubmodelXL
    Beginning Year1966
    Ending Year1968
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXL
    Beginning Year1967
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXL
    Beginning Year1967
    Ending Year1967
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXL
    Beginning Year1968
    Ending Year1967
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.7L/410
  • MakeMERCURY
    ModelCOUGAR
    SubmodelCOBRA JET
    Beginning Year1969
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXR-7
    Beginning Year1967
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXR-7
    Beginning Year1964
    Ending Year1967
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size5.8L/352
  • MakeMERCURY
    ModelCOUGAR
    SubmodelXR-7
    Beginning Year1966
    Ending Year1968
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
  • MakeMERCURY
    ModelCOUNTRY CRUISER
    SubmodelGRANDE
    Beginning Year1966
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
  • MakeMERCURY
    ModelCYCLONE
    SubmodelMACH 1
    Beginning Year1966
    Ending Year1967
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSHELBY GT-500
    Beginning Year1961
    Ending Year1962
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size5.8L/352
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSHELBY GT-500
    Beginning Year1961
    Ending Year1971
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
  • MakeMERCURY
    ModelCYCLONE
    SubmodelCJ
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
  • MakeMERCURY
    ModelCYCLONE
    SubmodelCJ
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelCYCLONE
    SubmodelCJ
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.7L/410
  • MakeMERCURY
    ModelCYCLONE
    SubmodelGT
    Beginning Year1966
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSPOILER
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSPOILER
    Beginning Year1964
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelCYCLONE
    SubmodelSPOILER
    Beginning Year1969
    Ending Year1970
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
  • MakeMERCURY
    ModelMARAUDER
    SubmodelGT
    Beginning Year1968
    Ending Year1969
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/428
  • MakeMERCURY
    ModelMARAUDER
    SubmodelGT
    Beginning Year1968
    Ending Year1967
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size5.8L/352
  • MakeMERCURY
    ModelMARAUDER
    SubmodelSQUIRE
    Beginning Year1963
    Ending Year1968
    Engine TypeV8
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427

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