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Cometic

Cometic

Cometic is a leading manufacturer of high-performance motorcycle gaskets trusted by engine builders, tuners and everyday riders. Known for precision fitment and race-proven sealing technology, Cometic produces premium head gaskets, top-end kits, bottom-end kits and complete engine gasket sets for Harley-Davidson, metric bikes, ATVs and UTVs. Whether restoring a Twin Cam, upgrading an M8 or rebuilding Yamaha, Honda, Polaris or Suzuki engines, Cometic delivers the reliability and durability riders demand.


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  • Qty in Cart
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  • Cometic - C9765 - Rocker Gasket - EST - XL

    Cometic - C9765 - Rocker Gasket - EST - XL

    Cometic

    $65.05
    Cometic - C9765 - Rocker Gasket - EST - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...
    $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    $65.05
    Subtotal:
  • Out of stock
    Cometic - C9764 - Rocker Gasket - EST - XL

    Cometic - C9764 - Rocker Gasket - EST - XL

    Cometic

    $65.05
    Cometic - C9764 - Rocker Gasket - EST - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals...
    $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    $65.05
    Subtotal:
  • Cometic - C9763 - Top End Gasket Kit - XL1200 - EST

    Cometic - C9763 - Top End Gasket Kit - XL1200 - EST

    Cometic

    $142.75
    Cometic - C9763 - Top End Gasket Kit - XL1200 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...
    $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    $142.75
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  • Cometic - C9752 - Rocker Gasket - EST - Big Twin

    Cometic - C9752 - Rocker Gasket - EST - Big Twin

    Cometic

    $65.05
    Cometic - C9752 - Rocker Gasket - EST - Big TwinFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt...
    $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    $65.05
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  • Out of stock
    Cometic - C9761 - Top End Gasket Kit - XL1100 - EST

    Cometic - C9761 - Top End Gasket Kit - XL1100 - EST

    Cometic

    $142.75
    Cometic - C9761 - Top End Gasket Kit - XL1100 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...
    $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    $142.75
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  • Cometic - C9753 - Rocker Gasket - EST - Big Twin

    Cometic - C9753 - Rocker Gasket - EST - Big Twin

    Cometic

    $65.05
    Cometic - C9753 - Rocker Gasket - EST - Big TwinFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt...
    $65.05
    Qty in Cart: 0
    Quantity:
    Price:
    $65.05
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  • Out of stock
    Cometic - C9066 - Rocker Box Gasket - SLS - XL

    Cometic - C9066 - Rocker Box Gasket - SLS - XL

    Cometic

    $47.20
    Cometic - C9066 - Rocker Box Gasket - SLS - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt...
    $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    $47.20
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  • Out of stock
    Cometic - C9760 - Top End Gasket Kit - XL883 - EST

    Cometic - C9760 - Top End Gasket Kit - XL883 - EST

    Cometic

    $142.75
    Cometic - C9760 - Top End Gasket Kit - XL883 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...
    $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    $142.75
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  • Cometic - C9078 - Rocker Box Gasket

    Cometic - C9078 - Rocker Box Gasket

    Cometic

    $47.20
    Cometic - C9078 - Rocker Box GasketFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt seals needed...
    $47.20
    Qty in Cart: 0
    Quantity:
    Price:
    $47.20
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  • Cometic - C9553 - Cylinder Base Gasket - .020" - XL

    Cometic - C9553 - Cylinder Base Gasket - .020" - XL

    Cometic

    $33.55
    Cometic - C9553 - Cylinder Base Gasket - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...
    $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
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  • Cometic - C9029 - Cylinder Base Copper Gasket - .016" - EVO

    Cometic - C9029 - Cylinder Base Copper Gasket - .016" - EVO

    Cometic

    $28.30
    Cometic - C9029 - Cylinder Base Copper Gasket - .016" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $28.30
    Qty in Cart: 0
    Quantity:
    Price:
    $28.30
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  • Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XL

    Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XL

    Cometic

    $33.55
    Cometic - C9555 - Cylinder Base Gasket - 3.625" - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
    Subtotal:
  • Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVO

    Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVO

    Cometic

    $33.55
    Cometic - C9552 - Cylinder Base Gasket - 3.625" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
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  • Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVO

    Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVO

    Cometic

    $33.55
    Cometic - C9551 - Cylinder Base Gasket - 3.500" - .020" - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
    Subtotal:
  • Cometic - C9025 - Copper Base Gasket - XL

    Cometic - C9025 - Copper Base Gasket - XL

    Cometic

    $17.80
    Cometic - C9025 - Copper Base Gasket - XLFeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...
    $17.80
    Qty in Cart: 0
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    Price:
    $17.80
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  • Cometic - C9442 - Derby O-Ring

    Cometic - C9442 - Derby O-Ring

    Cometic

    $5.20
    Cometic - C9442 - Derby O-RingFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A...
    $5.20
    Qty in Cart: 0
    Quantity:
    Price:
    $5.20
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  • Cometic - C9588 - Rocker Box Gasket Kit - Twin Cam

    Cometic - C9588 - Rocker Box Gasket Kit - Twin Cam

    Cometic

    $46.15
    Cometic - C9588 - Rocker Box Gasket Kit - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality...
    $46.15
    Qty in Cart: 0
    Quantity:
    Price:
    $46.15
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  • Out of stock
    Cometic - C9745 - Head Gasket - 3.750" x .040" - 88"/96" - '99-'13 Twin Cam

    Cometic - C9745 - Head Gasket - 3.750" x .040" - 88"/96" - '99-'13 Twin Cam

    Cometic

    $61.90
    Cometic - C9745 - Head Gasket - 3.750" x .040" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Out of stock
    Cometic - C9721 - Head Gasket - 3.875" x .030" - 95"/103" - '99-'16 Twin Cam

    Cometic - C9721 - Head Gasket - 3.875" x .030" - 95"/103" - '99-'16 Twin Cam

    Cometic

    $61.90
    Cometic - C9721 - Head Gasket - 3.875" x .030" - 95"/103" - '99-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
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  • Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 Twin Cam

    Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 Twin Cam

    Cometic

    $61.90
    Cometic - C9722 - Head Gasket - 3.875" x .040" - 95"/103" - '99-'16 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin Cam

    Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin Cam

    Cometic

    $61.90
    Cometic - C9790 - Head Gasket - 3.750" x .030" - 88"/96" - '99-'13 Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9690 - Head Gasket - 3.625" x .030" - '84-'99 EVO

    Cometic - C9690 - Head Gasket - 3.625" x .030" - '84-'99 EVO

    Cometic

    $61.90
    Cometic - C9690 - Head Gasket - 3.625" x .030" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9689 - Head Gasket - Standard - 3.500" x .040" - '84-'99 EVO/'88-'22 XL 1200

    Cometic - C9689 - Head Gasket - Standard - 3.500" x .040" - '84-'99 EVO/'88-'22 XL 1200

    Cometic

    $61.90
    Cometic - C9689 - Head Gasket - Standard - 3.500" x .040" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200

    Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200

    Cometic

    $61.90
    Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9691 - Head Gasket - 3.625" x .040" - '84-'99 EVO

    Cometic - C9691 - Head Gasket - 3.625" x .040" - '84-'99 EVO

    Cometic

    $61.90
    Cometic - C9691 - Head Gasket - 3.625" x .040" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $61.90
    Qty in Cart: 0
    Quantity:
    Price:
    $61.90
    Subtotal:
  • Cometic - C9780 - Top End Gasket Kit - 95" - Twin Cam - EST

    Cometic - C9780 - Top End Gasket Kit - 95" - Twin Cam - EST

    Cometic

    $181.60
    Cometic - C9780 - Top End Gasket Kit - 95" - Twin Cam - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a...
    $181.60
    Qty in Cart: 0
    Quantity:
    Price:
    $181.60
    Subtotal:
  • Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - EST

    Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - EST

    Cometic

    $183.70
    Cometic - C9779 - Top End Gasket Kit - Twin Cam 88 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...
    $183.70
    Qty in Cart: 0
    Quantity:
    Price:
    $183.70
    Subtotal:
  • Out of stock
    Cometic - C9747 - Top End Gasket - Big Twin - EST

    Cometic - C9747 - Top End Gasket - Big Twin - EST

    Cometic

    $142.75
    Cometic - C9747 - Top End Gasket - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...
    $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    $142.75
    Subtotal:
  • Cometic - C9635 - Top End Gasket - Big Twin - EST

    Cometic - C9635 - Top End Gasket - Big Twin - EST

    Cometic

    $142.75
    Cometic - C9635 - Top End Gasket - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...
    $142.75
    Qty in Cart: 0
    Quantity:
    Price:
    $142.75
    Subtotal:
  • Cometic - C9302F5 - Cam Cover Gasket - Big Twin

    Cometic - C9302F5 - Cam Cover Gasket - Big Twin

    Cometic

    $9.40
    Cometic - C9302F5 - Cam Cover Gasket - Big TwinFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from...
    $9.40
    Qty in Cart: 0
    Quantity:
    Price:
    $9.40
    Subtotal:
  • Cometic - C9305F5 - Inspection Cover Gasket

    Cometic - C9305F5 - Inspection Cover Gasket

    Cometic

    $9.40
    Cometic - C9305F5 - Inspection Cover GasketFeaturesMade in the U.S.A.Replacement Part for OEM Number(s): 3490685ASpecsThickness Imperial0.060''MaterialAFM (Aluminum Foam Material)Units5...
    $9.40
    Qty in Cart: 0
    Quantity:
    Price:
    $9.40
    Subtotal:
  • Cometic - C9328F5 - Cam Cover Gasket - Big Twin

    Cometic - C9328F5 - Cam Cover Gasket - Big Twin

    Cometic

    $11.50
    Cometic - C9328F5 - Cam Cover Gasket - Big TwinFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from...
    $11.50
    Qty in Cart: 0
    Quantity:
    Price:
    $11.50
    Subtotal:
  • Out of stock
    Cometic - C9314F5 - Primary Gasket

    Cometic - C9314F5 - Primary Gasket

    Cometic

    $29.35
    Cometic - C9314F5 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded...
    $29.35
    Qty in Cart: 0
    Quantity:
    Price:
    $29.35
    Subtotal:
  • Out of stock
    Cometic - C9307F5 - Primary Gasket

    Cometic - C9307F5 - Primary Gasket

    Cometic

    $45.10
    Cometic - C9307F5 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded...
    $45.10
    Qty in Cart: 0
    Quantity:
    Price:
    $45.10
    Subtotal:
  • Cometic - C10305 - Oil Pump Seal

    Cometic - C10305 - Oil Pump Seal

    Cometic

    MSRP: $10.95
    $8.03
    Cometic - C10305 - Oil Pump SealFeaturesReplacement Oil Pump SealReplacement Part for OEM Number(s): 62400205SpecsRiding StyleStreetMaterialVitonTypeOil PumpProduct NameSealUnitsEachFitment2017-2021...
    MSRP: $10.95
    $8.03
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $10.95
    $8.03
    Subtotal:
  • Out of stock
    Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8

    Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8

    Cometic

    $15.70
    Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8 Features Viton® rubber O-ring seals Include proper quantity for one engine Made in the U.S.A...
    $15.70
    Qty in Cart: 0
    Quantity:
    Price:
    $15.70
    Subtotal:
  • Cometic - C10200 - Induction Module O-Ring Kit - M8

    Cometic - C10200 - Induction Module O-Ring Kit - M8

    Cometic

    $8.35
    Cometic - C10200 - Induction Module O-Ring Kit - M8FeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USAReplacement Part for OEM...
    $8.35
    Qty in Cart: 0
    Quantity:
    Price:
    $8.35
    Subtotal:
  • Cometic - C10189 - Breather Assembly O-Ring

    Cometic - C10189 - Breather Assembly O-Ring

    Cometic

    $3.10
    Cometic - C10189 - Breather Assembly O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Replacement Part for OEM Number(s):...
    $3.10
    Qty in Cart: 0
    Quantity:
    Price:
    $3.10
    Subtotal:
  • Out of stock
    Cometic - C9433F1 - Starter Housing O-Ring - Big Twin

    Cometic - C9433F1 - Starter Housing O-Ring - Big Twin

    Cometic

    $4.95
    Cometic - C9433F1 - Starter Housing O-Ring - Big TwinFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • Out of stock
    Cometic - C9201F1 - Starter Seal O-Ring - Twin Cam

    Cometic - C9201F1 - Starter Seal O-Ring - Twin Cam

    Cometic

    $4.95
    Cometic - C9201F1 - Starter Seal O-Ring - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...
    $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • Total: items /

Adding your products to cart

Cometic Gaskets – High-Performance Engine, Primary and Top-End Gasket Kits

Cometic has built its reputation on manufacturing advanced gasket solutions engineered for long-term strength, thermal stability and consistent sealing under high-stress conditions. Their gaskets are developed using premium materials including MLS, EST and fiber options to meet the demands of stock engines, high-compression builds and performance upgrades. Riders and engine builders trust Cometic head gaskets and top-end gasket kits for their ability to maintain a secure seal even under extreme heat, pressure and vibration.

 

Supporting a wide range of platforms, Cometic offers complete gasket solutions for Harley-Davidson engines such as Evolution, Twin Cam and Milwaukee-Eight, along with extensive coverage for Yamaha, Honda, Kawasaki, Suzuki, KTM, Polaris and Arctic Cat machines. Their catalog includes primary gasket kits, rocker box gaskets, cylinder base gaskets, cam change kits and complete engine rebuild sets designed for precise fit and dependable performance.

 

Whether you’re performing routine maintenance, completing an engine rebuild or pushing a high-output setup, Cometic provides the sealing technology needed to keep your motorcycle or powersports engine performing at its best. Every gasket is engineered to OEM-level precision or better, delivering a combination of durability, accuracy and performance that has made Cometic a top choice in the racing and engine-building community.