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 - C10221-030 - Top End Kit M8 4.185" 120Cu .030"H/G
Cometic
$238.10Cometic - C10221-030 - Top End Kit M8 4.185" 120Cu .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Out of stock
Cometic - C10222 - Top End Kit M8 4.200" 121Cu .040"H/G
Cometic
$238.10Cometic - C10222 - Top End Kit M8 4.200" 121Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Out of stock
Cometic - C10222-030 - Top End Kit M8 4.200" 121Cu .030"H/G
Cometic
$238.10Cometic - C10222-030 - Top End Kit M8 4.200" 121Cu .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Out of stock
Cometic - C10223 - Top End Kit M8 4.250" 124Cu .040"H/G C Only
Cometic
$238.10Cometic - C10223 - Top End Kit M8 4.250" 124Cu .040"H/G C OnlyFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Out of stock
Cometic - C10223-030 - Top End Kit M8 4.250" 124Cu .030"H/G C Only
Cometic
$238.10Cometic - C10223-030 - Top End Kit M8 4.250" 124Cu .030"H/G C OnlyFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$238.10 -
Cometic - C10181-HB - Head & Base Gaskets M8 4.250" .040"Mls .014"Rc
Cometic
$79.36Cometic - C10181-HB - Head & Base Gaskets M8 4.250" .040"Mls .014"RcFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$79.36 -
Cometic - C10181-HB-030-014 - Head & Base Gaskets M8 4.250" .030"Mls .014"Rc
Cometic
$79.36Cometic - C10181-HB-030-014 - Head & Base Gaskets M8 4.250" .030"Mls .014"RcFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$79.36 -
Out of stock
Cometic - C10181-HB-030-020 - Head & Base Gaskets M8 4.250" .030"Mls .020"Rc
Cometic
$79.36Cometic - C10181-HB-030-020 - Head & Base Gaskets M8 4.250" .030"Mls .020"RcFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$79.36 -
Out of stock
Cometic - C10241F1 - Primary Gasket M8 Softail .032 Afm 1Pk Oe#25700564
Cometic
$44.61Cometic - C10241F1 - Primary Gasket M8 Softail .032 Afm 1Pk Oe#25700564FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$44.61 -
Out of stock
Cometic - C10241F5 - Primary Gasket M8 Softail .032 Afm 5Pk
Cometic
$200.70Cometic - C10241F5 - Primary Gasket M8 Softail .032 Afm 5PkFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$200.70 -
Out of stock
Cometic - C10248 - Primary Seal Kit M8 Softail Complete Oe#25701007
Cometic
$85.97Cometic - C10248 - Primary Seal Kit M8 Softail Complete Oe#25701007FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$85.97 -
Out of stock
Cometic - C10249 - Transmission W/Oil Pan Gasket M8 All Softail
Cometic
$127.66Cometic - C10249 - Transmission W/Oil Pan Gasket M8 All SoftailFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$127.66 -
Out of stock
Cometic - C10250 - Engine Gasket Kit M8 3.937" 107Cu .040"H/G
Cometic
$264.54Cometic - C10250 - Engine Gasket Kit M8 3.937" 107Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$264.54 -
Out of stock
Cometic - C10250-030 - Engine Gasket Kit M8 3.937" 107Cu .030"H/G
Cometic
$264.54Cometic - C10250-030 - Engine Gasket Kit M8 3.937" 107Cu .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$264.54 -
Out of stock
Cometic - C10251 - Engine Gasket Kit M8 4.000" 114Cu .040"H/G
Cometic
$264.54Cometic - C10251 - Engine Gasket Kit M8 4.000" 114Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$264.54 -
Cometic - C10252 - Engine Gasket Kit M8 4.075" 117Cu .040"H/G
Cometic
$264.54Cometic - C10252 - Engine Gasket Kit M8 4.075" 117Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$264.54 -
Out of stock
Cometic - C10252-030 - Engine Gasket Kit M8 4.075" 117Cu .030"H/G
Cometic
$264.54Cometic - C10252-030 - Engine Gasket Kit M8 4.075" 117Cu .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$264.54 -
Cometic - C10256 - Engine Gasket Kit M8 4.250" 124Cu .040"H/G
Cometic
$264.54Cometic - C10256 - Engine Gasket Kit M8 4.250" 124Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$264.54 -
Cometic - C10256-030 - Engine Gasket Kit M8 4.250" 124Cu .030"H/G
Cometic
$264.54Cometic - C10256-030 - Engine Gasket Kit M8 4.250" 124Cu .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$264.54 -
Out of stock
Cometic - C1051-030 - Milwaukee 8 All 4.000" 114Cu Eng Gasket Kit.030"H/G
Cometic
$214.95Cometic - C1051-030 - Milwaukee 8 All 4.000" 114Cu Eng Gasket Kit.030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$214.95 -
Cometic - C10304F1 - Clutch Cover Gasket M8 Softail 1-Pk Oe#25701080
Cometic
$8.12Cometic - C10304F1 - Clutch Cover Gasket M8 Softail 1-Pk Oe#25701080FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$8.12 -
Out of stock
Cometic - C10224 - M8 4.320" 128Cu T/E Kit040" H/G Oe#25700729
Cometic
$238.10Cometic - C10224 - M8 4.320" 128Cu T/E Kit040" H/G Oe#25700729FeaturesFitment2018-2021Harley DavidsonFLHR Road King2018-2021Harley DavidsonFLHRXS Road King Special2018-2021Harley DavidsonFLHX Street...$238.10 -
Cometic - C10226 - M8 Rocker Box Rebuild Kit
Cometic
$76.72Cometic - C10226 - M8 Rocker Box Rebuild Kit Features Fitment 2018-2021 Harley Davidson FLHR Road King 2018-2021 Harley Davidson FLHRXS Road King Special 2018-2021 Harley...$76.72 -
Out of stock
Cometic - C10242 - M8 Base Gasket .014"Rc Gen2 Embossing Pr
Cometic
$31.55Cometic - C10242 - M8 Base Gasket .014"Rc Gen2 Embossing PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Cometic - C10242-010 - M8 Base Gasket .010"Rc Gen2 Embossing Pr
Cometic
$31.55Cometic - C10242-010 - M8 Base Gasket .010"Rc Gen2 Embossing PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Out of stock
Cometic - C10242-020 - M8 Base Gasket .020"Rc Gen2 Embossing Pr
Cometic
$31.55Cometic - C10242-020 - M8 Base Gasket .020"Rc Gen2 Embossing PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Out of stock
Cometic - C10242-030 - M8 Base Gasket .030"Rc Gen2 Embossing Pr
Cometic
$31.55Cometic - C10242-030 - M8 Base Gasket .030"Rc Gen2 Embossing PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Cometic - C10243 - M8 Oil Pan Gask .032" Softail 1Pk Oe#25700593
Cometic
$21.09Cometic - C10243 - M8 Oil Pan Gask .032" Softail 1Pk Oe#25700593FeaturesFitment2018-2021Harley DavidsonFXBB Softail Street Bob2018-2019Harley DavidsonFXFB Softail Fat Bob2018-2021Harley DavidsonFXLR...$21.09 -
Cometic - C10244 - M8 Dip Stick O-Ring Softail 10Pk Oe#62700212
Cometic
$19.83Cometic - C10244 - M8 Dip Stick O-Ring Softail 10Pk Oe#62700212FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$19.83 -
Cometic - C10245 - M8 Oil Fill Spout Seal Softail 1Pk Oe#62800053
Cometic
$3.31Cometic - C10245 - M8 Oil Fill Spout Seal Softail 1Pk Oe#62800053FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$3.31 -
Out of stock
Cometic - C10246 - M8 Trans Top Cover Gskt Softail 1Pk Oe#34800044
Cometic
$23.74Cometic - C10246 - M8 Trans Top Cover Gskt Softail 1Pk Oe#34800044FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$23.74 -
Out of stock
Cometic - C10247 - M8 Intake Manifold Kit Non-Cvo Models Oe#27200038
Cometic
$39.69Cometic - C10247 - M8 Intake Manifold Kit Non-Cvo Models Oe#27200038FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$39.69 -
Out of stock
Cometic - C10247-CVO - M8 Intake Manifold Kit Cvo Models Oe#27200038-Cvo
Cometic
$35.65Cometic - C10247-CVO - M8 Intake Manifold Kit Cvo Models Oe#27200038-CvoFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$35.65 -
Cometic - C10278 - M8 T/E W/Out Head & Base Gaskets
Cometic
$156.08Cometic - C10278 - M8 T/E W/Out Head & Base GasketsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$156.08 -
Out of stock
Cometic - C10279 - M8 Engine Gasket Set Only W/Out Head & Base Gaskets
Cometic
$182.54Cometic - C10279 - M8 Engine Gasket Set Only W/Out Head & Base GasketsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$182.54 -
Out of stock
Cometic - C10281 - M8 All Fxst Comp Gasket Set W/Primary No Head & Base
Cometic
$255.29Cometic - C10281 - M8 All Fxst Comp Gasket Set W/Primary No Head & BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$255.29 -
Cometic - C10305 - M8 Oil Pump To Eng Seal Viton 1Pk Oe#62400205
Cometic
$8.03Cometic - C10305 - M8 Oil Pump To Eng Seal Viton 1Pk Oe#62400205FeaturesFitment2018-2021Harley DavidsonFLHR Road King2018-2021Harley DavidsonFLHRXS Road King Special2018-2021Harley DavidsonFLHX...$8.03 -
Out of stock
Cometic - C10306F1 - M8 Molded Rubber Clutch Seal All Fxst Oe#25701080
Cometic
$7.71Cometic - C10306F1 - M8 Molded Rubber Clutch Seal All Fxst Oe#25701080FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$7.71 -
Out of stock
Cometic - C10306F5 - M8 Molded Rubber Clutch Seal All Fxs Oe#25701080
Cometic
$38.52Cometic - C10306F5 - M8 Molded Rubber Clutch Seal All Fxs Oe#25701080FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$38.52 -
Out of stock
Cometic - C9177 - Top End Est Gasket Evo Sportster Kit Oe#17049-04A
Cometic
$140.45Cometic - C9177 - Top End Est Gasket Evo Sportster Kit Oe#17049-04AFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45
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.