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  • Cometic GM LS Series V8 4.040in bore .051 inch MLX Head Gasket
    SKU: C5505-051

    Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.051″.
    GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 .051in. MLX Cylinder Head Gasket; 4.040in. Bore

    • Improved clamp load around the cylinder without increasing bore distortion
    • Embossed Outer Layers Coated w/Viton
  • Cometic GM LS7 Gen-4 Small Block V8 4.150in Bore .040 Thick MLX Head Gasket
    SKU: C5030-040

    Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.036″. World Products Man-o-War Block. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements.
    GM LS7 Gen-4 Small Block V8 .040in. MLX Cylinder Head Gasket; 4.150in. Bore

    • Improved clamp load around the cylinder without increasing bore distortion
    • Embossed Outer Layers Coated w/Viton
  • Automotive head gasket with four large circular cylinder openings and multiple rectangular/oval ports for a multi-cylinder engine.
    SKU: C5986-040

    Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.098″. Cometic MLS (Multi-Layer Steel) Head Gaskets provide maximum sealing performance for todays high output engines and require no sealants. MLS gaskets are ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. They can withstand the shearing force created by the two materials. MLS gaskets have increased strength because they are comprised of multiple layers of stainless steel; which also creates the ability to rebound and resist corrosion. The outer layers are embossed and coated on both sides with Viton (a flour elastomer rubber based material that is heat resistant to 250 C/ 482 F). Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions, and surface finishes. The center or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirements.
    GM LS9/LSA Gen-4 Small Block V8 .040in. MLX Cylinder Head Gasket; 4.100in. Bore; LHS

    • Improved clamp load around the cylinder without increasing bore distortion
    • Embossed Outer Layers Coated w/Viton
  • Cylinder head gasket for a V8 or inline engine, with four large circular cylinder openings and multiple smaller passages on a black metal frame
    SKU: C15703-052

    MLX Gaskets utilize an integrated “stopper” layer for combustion chamber sealing
    GM LTR Gen-5 Small Block V8 .052″ MLX Cylinder Head Gasket, 4.150″ Bore, 1/2″ Studs, RHS

    • Improved clamp load around the cylinder without increasing bore distortion
  • Engine cylinder head gasket with four large circular bore openings and multiple smaller ports along a flat metal plate iconic for motorsports.
    SKU: C15704-052

    MLX Gaskets utilize an integrated “stopper” layer for combustion chamber sealing
    GM LTR Gen-5 Small Block V8 .052″ MLX Cylinder Head Gasket, 4.150″ Bore, 1/2″ Studs, LHS

    • Improved clamp load around the cylinder without increasing bore distortion
  • Prop 65 warning: some chemicals in this product may cause cancer or birth defects; see www.p65Warnings.ca.gov for details
    SKU: C9147

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Top End EST Gasket Kit; 3.875in. Bore; Hat Style VSS

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • California Proposition 65 warning banner about chemicals that may cause cancer or birth defects, with a link for more information.
    SKU: C9949

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Top End EST Gasket Kit; 4.000in. Bore

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • California Proposition 65 warning: certain chemicals may cause cancer or birth defects; visit p65warnings.ca.gov for more information.
    SKU: C9748F

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Complete EST Gasket Kit; 3.500in. Bore

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • California Prop 65 warning: some chemicals in this product may cause cancer or birth defects; for more info visit www.p65warnings.ca.gov.
    SKU: C9952

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Complete EST Gasket Kit; 3.500in. Bore

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • Prop 65 warning: California says some chemicals in this product may cause cancer or birth defects; see p65warnings.ca.gov for details.
    SKU: C9173

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Primary Rebuild Gasket Kit

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • California Prop 65 warning: may cause cancer or birth defects; see p65warnings.ca.gov for more information.
    SKU: C9888

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Primary Rebuild Gasket Kit

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
  • California Proposition 65 warning: certain chemicals may cause cancer or birth defects; visit p65Warnings.ca.gov for more information.
    SKU: C9885

    Today’s lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine’s power and performance. Cometic’s gaskets are proudly made in the USA with materials manufactured on American soil. We are constantly updating and adding models to our ever growing library of gaskets for Powersports, Street Bikes, Snowmobiles, Harley-Davidson and V-Twin applications.
    Primary Rebuild Gasket Kit

    • All of Cometic’s gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
    • No Additional Sealer Needed
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