Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Cometic Chevy Gen1 Small Block V8 .042in MLX Cyl Head Gasket-4.220in Bore-All Pro Heads-Round Bore

SKU: CGSC5551-042

Head Gaskets

CG Head Gaskets...

Cometic Chevy Gen1 Small Block V8 .042in MLX Cyl Head Gasket-4.220in Bore-All Pro Heads-Round Bore

SKU: CGSC5551-042

Head Gaskets

CG Head Gaskets...

A$347.33
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

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

  • Embossed Outer Layers Coated w/Viton

Product Details

Description:Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket
Engine Make/Size:Chevrolet Small Block Gen I
Part Number:cgsC5551-042
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 Chevrolet Gen-1 Small Block V8 .042 in MLX Cylinder Head Gasket, 4.220 in Bore, All Pro Heads, Round Bore
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 00:06:49

Features

  • Embossed Outer Layers Coated w/Viton
  • Improved clamp load around the cylinder without increasing bore distortion

Specifications

Product Attributes - Brand
Cometic
Product Attributes - Manufacturer's Part Number
C5551-042
Product Attributes - Part Type
Head Gaskets
Product Attributes - Product Line
Cometic MLX Head Gaskets
Product Attributes - UPC
00191070035143
Product Attributes - Bore (in.)
4.220 in.
Product Attributes - Bore (mm)
107.188mm
Product Attributes - Gasket Material
Multi-layer stainless steel
Product Attributes - Compressed Thickness (in.)
0.042 in.
Product Attributes - Compressed Volume (cc)
9.626cc
Product Attributes - Lock Wire
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for use with All Pro cylinder heads.

Reference Information

Brand Name/s Cometic Gasket
StreetFX SKU cgsC5551-042
SFX Item ID 4169101
Supplier Item Code 4169101
Manufacturer SKU C5551-042
Manufacturer UPC 191070035143
Alternative References CGT-C5551-042, Gen1, .042in, Gasket-4.220in

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.3L/327
  • MakeCHEVROLET
    Beginning Year1964
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.4L/327
  • MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.9L/302
  • MakeCHEVROLET
    Beginning Year1967
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400

Loading compatibility information...

Keep shopping

More from Cometic Gasket