Cometic Gasket - Sealed Under Extreme Pressure

Founded in 1989 by Bob Gorman, Cometic Gasket, Inc. began as a small, family-led operation in Concord, Ohio, producing custom gaskets for powersports engines. Today, the company has grown into a 70,000 ft², ISO-grade facility that manufactures over 85,000 gasket SKUs—supply­ing both shelf-stock and short-run, precision sealing solutions for automotive, V-Twin, marine, industrial, and OEM markets.

Cometic pioneered multi-layer steel (MLS) head gaskets engineered with embossed stainless-steel layers and Viton rubber coatings, designed to withstand extreme heat, high boost, and racing conditions without requiring re-torque. Their commitment to in-house design, laser cutting, dyno testing, and hand inspections ensures race-proven reliability and durability.

Built on strong partnerships with NASCAR, drag racing, and SVRA teams, Cometic’s family-oriented culture emphasizes technical collaboration, customer service, and tailored solutions. Whether sealing a daily driver or a championship racer, Cometic stands for precision, performance, and American manufacturing excellence.

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Cometic Honda B18B Hybrid LS/VTEC with VTEC Head 81.5mm Bore .098in Thickness MLS-5 Head Gasket Cometic Honda B18B Hybrid LS/VTEC with VTEC Head 81.5mm Bore .098in Thickness MLS-5 Head Gasket
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Cometic Honda B18B Hybrid LS/VTEC with VTEC Head 81.5mm Bore...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.098". Non-VTEC block with VTEC...
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Sale price$134.95 Regular price$148.86
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Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .080in MLS Cylinder Head Gasket - 81.5mm Bore Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .080in MLS Cylinder Head Gasket - 81.5mm Bore
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Cometic Honda B Series Hybrid VTEC Head/Non-VTEC Block .080in MLS...
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...
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Sale price$123.95 Regular price$137.55
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Cometic Honda 90+ w/VTEC 81.5mm bore .075 inch thick MLS Head Gasket Cometic Honda 90+ w/VTEC 81.5mm bore .075 inch thick MLS Head Gasket
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Cometic Honda 90+ w/VTEC 81.5mm bore .075 inch thick MLS...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.075". Non-VTEC block with VTEC...
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Sale price$123.95 Regular price$137.55
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Cometic Gasket Honda B Series Hybrid VTEC Head/Non-VTEC Block 81.5mm Bore .070in MLS Cyl Head Gasket Cometic Gasket Honda B Series Hybrid VTEC Head/Non-VTEC Block 81.5mm Bore .070in MLS Cyl Head Gasket
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Cometic Gasket Honda B Series Hybrid VTEC Head/Non-VTEC Block 81.5mm...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.070". Non-VTEC block with VTEC...
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Sale price$123.95 Regular price$137.55
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Cometic Gasket Honda B Series Hybrid non-VTEC 81.5mm Bore .066in MLS Cyl Head Gasket Cometic Gasket Honda B Series Hybrid non-VTEC 81.5mm Bore .066in MLS Cyl Head Gasket
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Cometic Gasket Honda B Series Hybrid non-VTEC 81.5mm Bore .066in...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.066". Non-VTEC block with VTEC...
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Sale price$123.95 Regular price$137.55
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Cometic Honda Hybrid LS/VTEC -5 B18 w/VTEC Head 81.5mm .060 inch MLS Head Gasket Cometic Honda Hybrid LS/VTEC -5 B18 w/VTEC Head 81.5mm .060 inch MLS Head Gasket
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Cometic Honda Hybrid LS/VTEC -5 B18 w/VTEC Head 81.5mm .060...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.060". Non-VTEC block with VTEC...
Available to Order
Sale price$123.95 Regular price$137.55
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .051 inch MLS Head Gasket Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .051 inch MLS Head Gasket
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.051". Non-VTEC block with VTEC...
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Sale price$96.95 Regular price$107.24
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .045 inch MLS Head Gasket Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .045 inch MLS Head Gasket
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.045". Non-VTEC block with VTEC...
Available to Order
Sale price$96.95 Regular price$107.24
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .036 inch MLS Head Gasket Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .036 inch MLS Head Gasket
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.036". Non-VTEC block with VTEC...
Available to Order
Sale price$96.95 Regular price$107.24
1-2 Shipping (In-stock Items)
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Financing Options Available
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .027 inch MLS Head Gasket Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head .027 inch MLS Head Gasket
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Cometic Honda Hybrid LS/VTEC 81.5mm 90+ B18 w/ VTEC Head...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed thickness is 0.027". Non-VTEC block with VTEC...
Available to Order
Sale price$96.95 Regular price$107.24
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
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Cometic Mitsubishi 4G63/T 87mm .140 inch MLS Head Gasket Eclipse/Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .140 inch MLS Head Gasket Eclipse/Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .140 inch MLS Head Gasket Eclipse/Galant/...
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...
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Sale price$224.95 Regular price$249.41
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Cometic Mitsubishi 4G63/T 87mm .120 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .120 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .120 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.120". EVO 1-3. Cometic...
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Sale price$224.95 Regular price$249.41
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Cometic Mitsubishi 4G63/4G63T .098in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9 Cometic Mitsubishi 4G63/4G63T .098in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9
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Cometic Mitsubishi 4G63/4G63T .098in MLS Cylinder Head Gasket - 87mm...
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...
Available to Order
Sale price$134.95 Regular price$148.86
1-2 Shipping (In-stock Items)
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Financing Options Available
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Cometic Mitsubishi 4G63/4G63T .095in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9 Cometic Mitsubishi 4G63/4G63T .095in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9
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Cometic Mitsubishi 4G63/4G63T .095in MLS Cylinder Head Gasket - 87mm...
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...
Available to Order
Sale price$134.95 Regular price$148.86
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .080 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .080 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .080 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.080". EVO 1-3. Cometic...
Available to Order
Sale price$134.95 Regular price$148.86
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
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Cometic Mitsubishi 4G63/T 87mm .077 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .077 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .077 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.077". EVO 1-3. Cometic...
Available to Order
Sale price$134.95 Regular price$148.86
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
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Cometic Mitsubishi 4G63/T 87mm .075 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .075 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .075 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.075". EVO 1-3. Cometic...
Available to Order
Sale price$123.95 Regular price$137.55
1-2 Shipping (In-stock Items)
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Financing Options Available
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Cometic Mitsubishi 4G63/T (Eclipse/Galant/Lancer Thru EVO3) 87mm .070 inch MLS Head Gasket Cometic Mitsubishi 4G63/T (Eclipse/Galant/Lancer Thru EVO3) 87mm .070 inch MLS Head Gasket
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Cometic Mitsubishi 4G63/T (Eclipse/Galant/Lancer Thru EVO3) 87mm .070 inch MLS...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.070". EVO 1-3. Cometic...
Available to Order
Sale price$123.95 Regular price$137.55
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .066 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .066 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .066 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.066". EVO 1-3. Cometic...
Available to Order
Sale price$123.95 Regular price$137.55
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .060 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .060 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .060 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.060". EVO 1-3. Cometic...
Available to Order
Sale price$123.95 Regular price$137.55
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/4G63T .056in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9 Cometic Mitsubishi 4G63/4G63T .056in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Except Evo 4-9
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Cometic Mitsubishi 4G63/4G63T .056in MLS Cylinder Head Gasket - 87mm...
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...
Available to Order
Sale price$123.95 Regular price$137.55
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .047 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .047 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .047 inch MLS Head Gasket Eclipse...
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...
Available to Order
Sale price$96.95 Regular price$107.24
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .045 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .045 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .045 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.045". EVO 1-3. Cometic...
Available to Order
Sale price$96.95 Regular price$107.24
1-2 Shipping (In-stock Items)
Guaranteed Fitment
Financing Options Available
Add to cart
Cometic Mitsubishi 4G63/T 87mm .040 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3 Cometic Mitsubishi 4G63/T 87mm .040 inch MLS Head Gasket Eclipse / Galant/ Lancer Thru EVO3
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Cometic Mitsubishi 4G63/T 87mm .040 inch MLS Head Gasket Eclipse...
Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a Viton rubber coating. Compressed operating thickness is 0.040". EVO 1-3. Cometic...
Available to Order
Sale price$96.95 Regular price$107.24
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