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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Cometic - C10226 - Rocker Gasket Kit - M8
Cometic
$77.65Cometic - C10226 - Rocker Gasket Kit - M8FeaturesKits include all gaskets, seals, O-rings and quality bolt seals needed when servicing both rocker boxes.Made in the U.S.A.SpecsUnitsKitProduct...$77.65 -
Cometic - C10216 - Transmission Top Lid Gasket
Cometic
$8.95Cometic - C10216 - Transmission Top Lid GasketFeaturesHigh-quality products for long-term reliabilityAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded...$8.95 -
Out of stock
Cometic - C10214 - Transmission/Engine Gasket - M8
Cometic
$12.95Cometic - C10214 - Transmission/Engine Gasket - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$12.95 -
Cometic - C10215 - Oil Pan Gasket - Touring
Cometic
$22.00Cometic - C10215 - Oil Pan Gasket - TouringFeaturesAluminum Foamette Material gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded to...$22.00 -
Cometic - C10211 - Primary Gasket - M8
Cometic
$33.55Cometic - C10211 - Primary Gasket - M8FeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber...$33.55 -
Out of stock
Cometic - C10197 - Oil Pan Rebuild Gasket Kit - M8 - Touring
Cometic
$102.85Cometic - C10197 - Oil Pan Rebuild Gasket Kit - M8 - TouringFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$102.85 -
Out of stock
Cometic - C10198F1 - Primary Gasket
Cometic
$45.10Cometic - C10198F1 - Primary GasketFeaturesCometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded...$45.10 -
Cometic - C10195 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10195 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.55 -
Cometic - C10193-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - C10193-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$81.85 -
Cometic - C10193 - Cylinder Head Gasket - 4.500"
Cometic
$61.90Cometic - C10193 - Cylinder Head Gasket - 4.500"FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load...$61.90 -
Cometic - C10194 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10194 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.55 -
Out of stock
Cometic - C10192-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - C10192-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$81.85 -
Out of stock
Cometic - C10192 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10192 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Out of stock
Cometic - C10191-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8
Cometic
$81.85Cometic - C10191-HB - Cylinder Head/Base Gasket - Liquid Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$81.85 -
Cometic - C10183 - Lower Rocker Box Gaskets
Cometic
$27.25Cometic - C10183 - Lower Rocker Box GasketsFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$27.25 -
Out of stock
Cometic - C10191 - Cylinder Head Gasket - 4.250"
Cometic
$61.90Cometic - C10191 - Cylinder Head Gasket - 4.250"FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load...$61.90 -
Cometic - C10181HB030014 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$78.70Cometic - C10181HB030014 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$78.70 -
Cometic - C10181HB030020 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$78.70Cometic - C10181HB030020 - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$78.70 -
Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10182 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10182 - Cylinder Head Gasket - 4.320" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8
Cometic
$79.75Cometic - C10181-HB - Cylinder Head/Base Gasket - Oil Cooled Heads - M8FeaturesKit features Multi-Layer Steel (MLS) gaskets and two outer Viton®-coated embossed spring steel layers with an inner...$79.75 -
Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - M8
Cometic
$61.90Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10181 - Cylinder Head Gasket - 4.250" - M8
Cometic
$61.90Cometic - C10181 - Cylinder Head Gasket - 4.250" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Cometic - C10179-2 - Upper Rocker Box Gasket
Cometic
$26.20Cometic - C10179-2 - Upper Rocker Box GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$26.20 -
Cometic - C10177-020 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177-020 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed...$33.55 -
Cometic - C10179 - Upper Rocker Box Gasket
Cometic
$13.60Cometic - C10179 - Upper Rocker Box GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$13.60 -
Cometic - C10177 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.55 -
Cometic - C10178 - Cam Change Gasket Kit - M8
Cometic
$39.85Cometic - C10178 - Cam Change Gasket Kit - M8FeaturesComponents made from premium materials for long life and correct fitmentIncludes all necessary gaskets, seals, O-rings and cork washers to do a...$39.85 -
Out of stock
Cometic - C10177-010 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177-010 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed...$33.55 -
Cometic - C10176 - Airbox to Throttle Body Gasket - M8
Cometic
$5.95Cometic - C10176 - Airbox to Throttle Body Gasket - M8FeaturesAirbox to throttle body gasketReplacement Part for OEM Number(s): 29000149SpecsThickness0,79 mm (0,031'')Thickness...$5.95 -
Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - M8
Cometic
$61.90Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10174 - Piston Jet Gasket - M8
Cometic
$5.95Cometic - C10174 - Piston Jet Gasket - M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleAluminum...$5.95 -
Out of stock
Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - M8
Cometic
$61.90Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Cometic - C10168 - Cylinder Head Gasket - 4.205" - M8
Cometic
$61.90Cometic - C10168 - Cylinder Head Gasket - 4.205" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque...$61.90 -
Out of stock
Cometic - C9363 - Derby Cover Bolt Washer
Cometic
$5.20Cometic - C9363 - Derby Cover Bolt Washer Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$5.20 -
Out of stock
Cometic - C9088 - Carburetor to Manifold Seal
Cometic
$10.95Cometic - C9088 - Carburetor to Manifold Seal Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$10.95 -
Cometic - C9131 - Intake Manifold Seal Kit - Evolution
Cometic
$14.95Cometic - C9131 - Intake Manifold Seal Kit - EvolutionFeaturesKit contains one carburetor to intake seal (27002-89) and two intake to cylinder head seals (26995-86B)Made in the U.S.A...$14.95 -
Cometic - C9286 - Paper Rocker Box Washer
Cometic
$4.15Cometic - C9286 - Paper Rocker Box WasherFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in...$4.15 -
Cometic - C9400 - Rocker Box Washer
Cometic
$3.10Cometic - C9400 - Rocker Box WasherFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U...$3.10 -
Cometic - C9166 - Valve Stem Seal - Viton
Cometic
$6.25Cometic - C9166 - Valve Stem Seal - VitonFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$6.25
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.