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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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  • Out of stock
    Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8

    Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8

    Cometic

    $14.65
    Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...
    $14.65
    Qty in Cart: 0
    Quantity:
    Price:
    $14.65
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  • Out of stock
    Cometic - C9686 - Carburetor Backplate O-Ring

    Cometic - C9686 - Carburetor Backplate O-Ring

    Cometic

    $6.25
    Cometic - C9686 - Carburetor Backplate O-Ring Features Carburetor backing plate O-ring Replacement Part for OEM Number(s): 11292 Specs Riding Style Street Product...
    $6.25
    Qty in Cart: 0
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    Price:
    $6.25
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  • Out of stock
    Cometic - C9227 - Carburetor to Manifold Seal - 50 mm - Twin Cam

    Cometic - C9227 - Carburetor to Manifold Seal - 50 mm - Twin Cam

    Cometic

    $7.95
    Cometic - C9227 - Carburetor to Manifold Seal - 50 mm - Twin CamFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...
    $7.95
    Qty in Cart: 0
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    $7.95
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  • Out of stock
    Cometic - C9224 - Outer Rocker O-Ring

    Cometic - C9224 - Outer Rocker O-Ring

    Cometic

    $14.65
    Cometic - C9224 - Outer Rocker O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.SpecsRiding StyleStreetApplicationLower...
    $14.65
    Qty in Cart: 0
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    $14.65
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  • Out of stock
    Cometic - C9262 - Main Shaft Seal - EVO

    Cometic - C9262 - Main Shaft Seal - EVO

    Cometic

    $10.95
    Cometic - C9262 - Main Shaft Seal - EVO Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...
    $10.95
    Qty in Cart: 0
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    $10.95
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  • Cometic - C9359 - Main Shaft Seal - EVO

    Cometic - C9359 - Main Shaft Seal - EVO

    Cometic

    $8.95
    Cometic - C9359 - Main Shaft Seal - EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in...
    $8.95
    Qty in Cart: 0
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    $8.95
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  • Cometic - C9354 - Clutch Release Lever Seal O-ring - EVO

    Cometic - C9354 - Clutch Release Lever Seal O-ring - EVO

    Cometic

    $5.95
    Cometic - C9354 - Clutch Release Lever Seal O-ring - EVOFeaturesHigh-quality product for long-term reliabilityMade in the USAReplacement Part for OEM Number(s): 3710184SpecsMaterialVitonRiding...
    $5.95
    Qty in Cart: 0
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    Price:
    $5.95
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  • Out of stock
    Cometic - C10363 - Crankcase Gasket - 0.012"

    Cometic - C10363 - Crankcase Gasket - 0.012"

    Cometic

    $48.25
    Cometic - C10363 - Crankcase Gasket - 0.012"FeaturesHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade...
    $48.25
    Qty in Cart: 0
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    Price:
    $48.25
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  • Out of stock
    Cometic - C10232 - Muffler Gasket - M8/FXST/XL Cometic - C10232 - Muffler Gasket - M8/FXST/XL

    Cometic - C10232 - Muffler Gasket - M8/FXST/XL

    Cometic

    $41.95
    Cometic - C10232 - Muffler Gasket - M8/FXST/XL Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...
    $41.95
    Qty in Cart: 0
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    $41.95
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  • Cometic - C10351 - Muffler Gasket - Right - Grafoil® - M8 Cometic - C10351 - Muffler Gasket - Right - Grafoil® - M8

    Cometic - C10351 - Muffler Gasket - Right - Grafoil® - M8

    Cometic

    $30.40
    Cometic - C10351 - Muffler Gasket - Right - Grafoil® - M8 Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep,...
    $30.40
    Qty in Cart: 0
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    Price:
    $30.40
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  • Cometic - C10362 - Head Gasket - 0.024"

    Cometic - C10362 - Head Gasket - 0.024"

    Cometic

    $86.05
    Cometic - C10362 - Head Gasket - 0.024"FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10362-HB - Cylinder Head/Base Gasket Kit

    Cometic - C10362-HB - Cylinder Head/Base Gasket Kit

    Cometic

    $134.35
    Cometic - C10362-HB - Cylinder Head/Base Gasket KitFeaturesContains a pair of 106 mm bore MLX Multi layer steel with stopper layer head gaskets, and a pair of Single Layer Steel (SLS) base gaskets...
    $134.35
    Qty in Cart: 0
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    $134.35
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  • Cometic - C10361 - Base Gasket - 0.010"

    Cometic - C10361 - Base Gasket - 0.010"

    Cometic

    $49.30
    Cometic - C10361 - Base Gasket - 0.010"FeaturesHigh quality products for long-term reliabilityManufactured from premium fuel-resistant materialsViton gaskets feature a stainless steel core with a ...
    $49.30
    Qty in Cart: 0
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    $49.30
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  • Out of stock
    Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin Cam

    Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin Cam

    Cometic

    $61.90
    Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKit...
    $61.90
    Qty in Cart: 0
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    $61.90
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  • Out of stock
    Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin Cam

    Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin Cam

    Cometic

    $86.05
    Cometic - C10358-036 - Head Gasket - 4.125" - .036" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular...
    $86.05
    Qty in Cart: 0
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    Price:
    $86.05
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  • Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin Cam

    Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin Cam

    Cometic

    $86.05
    Cometic - C10358-032 - Head Gasket - 4.125" - .032" - MLX - Twin CamFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittle4.125" big bore is a popular...
    $86.05
    Qty in Cart: 0
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    Price:
    $86.05
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  • Out of stock
    Cometic - C10352 - Exhaust Header Gasket

    Cometic - C10352 - Exhaust Header Gasket

    Cometic

    $20.95
    Cometic - C10352 - Exhaust Header GasketFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in...
    $20.95
    Qty in Cart: 0
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    Price:
    $20.95
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  • Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8

    Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8

    Cometic

    $86.05
    Cometic - C10348-036 - Head Gasket - 4.500" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
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    Price:
    $86.05
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  • Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8

    Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8

    Cometic

    $86.05
    Cometic - C10347-036 - Head Gasket - 4.430" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10336-040 - Head Gasket - 4.320" x 0.040" - M8

    Cometic - C10336-040 - Head Gasket - 4.320" x 0.040" - M8

    Cometic

    $86.05
    Cometic - C10336-040 - Head Gasket - 4.320" x 0.040" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10336-036 - Head Gasket - 4.320" x 0.036" - M8

    Cometic - C10336-036 - Head Gasket - 4.320" x 0.036" - M8

    Cometic

    $86.05
    Cometic - C10336-036 - Head Gasket - 4.320" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10336-032 - Head Gasket - 4.320" x 0.032" - M8

    Cometic - C10336-032 - Head Gasket - 4.320" x 0.032" - M8

    Cometic

    $86.05
    Cometic - C10336-032 - Head Gasket - 4.320" x 0.032" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8

    Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8

    Cometic

    $86.05
    Cometic - C10346-036 - Head Gasket - 4.250" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Out of stock
    Cometic - C10345-036 - Head Gasket - 3.937" x 0.036" - M8

    Cometic - C10345-036 - Head Gasket - 3.937" x 0.036" - M8

    Cometic

    $86.05
    Cometic - C10345-036 - Head Gasket - 3.937" x 0.036" - M8FeaturesMLX Gasket (Multi-Layer-Xtreme) features an extra “stopper” fold-over layer providing a torque limiting surface that prevents yielding...
    $86.05
    Qty in Cart: 0
    Quantity:
    Price:
    $86.05
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  • Cometic - C10246 - Transmission Top Cover Gasket - M8

    Cometic - C10246 - Transmission Top Cover Gasket - M8

    Cometic

    $25.15
    Cometic - C10246 - Transmission Top Cover Gasket - M8FeaturesHigh-quality products for long-term reliabilityKit includes all necessary gaskets, seals and O-rings needed for each applicationMade in...
    $25.15
    Qty in Cart: 0
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    Price:
    $25.15
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  • Cometic - C10243 - Oil Pan Gasket - Softail

    Cometic - C10243 - Oil Pan Gasket - Softail

    Cometic

    $22.00
    Cometic - C10243 - Oil Pan Gasket - SoftailFeaturesHigh-quality products for long-term reliabilityKit includes all necessary gaskets, seals and O-rings needed for each applicationMade in the...
    $22.00
    Qty in Cart: 0
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    Price:
    $22.00
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  • Out of stock
    Cometic - C10249 - Transmission Oil Pan Gasket Rebuild Kit - Softail

    Cometic - C10249 - Transmission Oil Pan Gasket Rebuild Kit - Softail

    Cometic

    $130.15
    Cometic - C10249 - Transmission Oil Pan Gasket Rebuild Kit - SoftailFeaturesHigh-quality products for long-term reliabilityKit includes all necessary gaskets, seals and O-rings needed for each...
    $130.15
    Qty in Cart: 0
    Quantity:
    Price:
    $130.15
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  • Cometic - C10275 - Complete Engine/Primary Gasket Kit

    Cometic - C10275 - Complete Engine/Primary Gasket Kit

    Cometic

    $340.15
    Cometic - C10275 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary,...
    $340.15
    Qty in Cart: 0
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    Price:
    $340.15
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  • Out of stock
    Cometic - C10271 - Complete Engine/Primary Gasket Kit

    Cometic - C10271 - Complete Engine/Primary Gasket Kit

    Cometic

    $340.15
    Cometic - C10271 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary,...
    $340.15
    Qty in Cart: 0
    Quantity:
    Price:
    $340.15
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  • Cometic - C10269 - Complete Engine/Primary Gasket Kit

    Cometic - C10269 - Complete Engine/Primary Gasket Kit

    Cometic

    $340.15
    Cometic - C10269 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary,...
    $340.15
    Qty in Cart: 0
    Quantity:
    Price:
    $340.15
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  • Cometic - C10266 - Complete Engine/Primary Gasket Kit

    Cometic - C10266 - Complete Engine/Primary Gasket Kit

    Cometic

    $340.15
    Cometic - C10266 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary,...
    $340.15
    Qty in Cart: 0
    Quantity:
    Price:
    $340.15
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  • Cometic - C10260 - Complete Engine/Primary Gasket Kit

    Cometic - C10260 - Complete Engine/Primary Gasket Kit

    Cometic

    $330.70
    Cometic - C10260 - Complete Engine/Primary Gasket KitFeaturesEvery gasket in the kit uses the best materials possible for its intended applicationComplete kit includes motor gasket kit plus primary,...
    $330.70
    Qty in Cart: 0
    Quantity:
    Price:
    $330.70
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  • Cometic - C10256 - Motor Gasket Kit - M8

    Cometic - C10256 - Motor Gasket Kit - M8

    Cometic

    $267.70
    Cometic - C10256 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecsRiding StyleStreetThickness...
    $267.70
    Qty in Cart: 0
    Quantity:
    Price:
    $267.70
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  • Cometic - C10252 - Motor Gasket Kit - M8

    Cometic - C10252 - Motor Gasket Kit - M8

    Cometic

    $259.30
    Cometic - C10252 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecsProduct NameGasket KitBore Size Imperial4...
    $259.30
    Qty in Cart: 0
    Quantity:
    Price:
    $259.30
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  • Cometic - C10250 - Motor Gasket Kit - M8

    Cometic - C10250 - Motor Gasket Kit - M8

    Cometic

    $267.70
    Cometic - C10250 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecsBore Size Imperial3.937''Riding...
    $267.70
    Qty in Cart: 0
    Quantity:
    Price:
    $267.70
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  • Cometic - C10223 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic - C10223 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic

    $240.40
    Cometic - C10223 - Top End Gasket Kit with 0.040" Head Gasket - M8FeaturesHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to...
    $240.40
    Qty in Cart: 0
    Quantity:
    Price:
    $240.40
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  • Out of stock
    Cometic - C10219 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic - C10219 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic

    $240.40
    Cometic - C10219 - Top End Gasket Kit with 0.040" Head Gasket - M8FeaturesHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to...
    $240.40
    Qty in Cart: 0
    Quantity:
    Price:
    $240.40
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  • Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8

    Cometic

    $240.40
    Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8FeaturesHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to...
    $240.40
    Qty in Cart: 0
    Quantity:
    Price:
    $240.40
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  • Cometic - C9200F1 - Output Gear Seal - Twin Cam/M8

    Cometic - C9200F1 - Output Gear Seal - Twin Cam/M8

    Cometic

    $11.95
    Cometic - C9200F1 - Output Gear Seal - Twin Cam/M8FeaturesHigh-quality products for long-term reliabilityMade in the USAReplacement Part for OEM Number(s): 12077SpecsTypeOutput...
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
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  • Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8

    Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8

    Cometic

    $33.55
    Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are...
    $33.55
    Qty in Cart: 0
    Quantity:
    Price:
    $33.55
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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.