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 - C9951-051 - Top End Est Gasket Twin Cam Kit
Cometic
$147.43Cometic - C9951-051 - Top End Est Gasket Twin Cam KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$147.43 -
Out of stock
Cometic - C9952 - Complete Est Gasket Evo Sportster Kit Oe#17027-04
Cometic
$199.41Cometic - C9952 - Complete Est Gasket Evo Sportster Kit Oe#17027-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$199.41 -
Cometic - C9953 - Complete Est Gasket Evo Sportster Kit Oe#17027-04
Cometic
$199.43Cometic - C9953 - Complete Est Gasket Evo Sportster Kit Oe#17027-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$199.43 -
Out of stock
Cometic - C9955 - Tappet Block Gasket .032" Evo Sportster 2/Pk Oe#17976-04
Cometic
$11.74Cometic - C9955 - Tappet Block Gasket .032" Evo Sportster 2/Pk Oe#17976-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$11.74 -
Out of stock
Cometic - C9970 - Top End Est Gasket Evo Sportster Kit Oe#17049-04
Cometic
$140.45Cometic - C9970 - Top End Est Gasket Evo Sportster Kit Oe#17049-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Cometic - C9971 - Top End Est Gasket Evo Sportster Kit Oe#17049-04
Cometic
$140.45Cometic - C9971 - Top End Est Gasket Evo Sportster Kit Oe#17049-04FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$140.45 -
Out of stock
Cometic - C9976-030 - Top End Est Gasket Twin Cam Kit
Cometic
$147.46Cometic - C9976-030 - Top End Est Gasket Twin Cam KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$147.46 -
Cometic - C9997F1 - Derby Cover Gasket Big Twin Ea 1/Pk Oe#25416-99C
Cometic
$8.12Cometic - C9997F1 - Derby Cover Gasket Big Twin Ea 1/Pk Oe#25416-99CFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$8.12 -
Out of stock
Cometic - C10140F1 - Derby Cover Gasket Touring Models 16-Up 1/Pk Oe#25416-16
Cometic
$8.12Cometic - C10140F1 - Derby Cover Gasket Touring Models 16-Up 1/Pk Oe#25416-16FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$8.12 -
Out of stock
Cometic - C10164 - Head Gaskets M8 Pr 3.937" .040"Mls Stk 107Ci Oe#16500326
Cometic
$59.50Cometic - C10164 - Head Gaskets M8 Pr 3.937" .040"Mls Stk 107Ci Oe#16500326FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10164-030 - Head Gaskets M8 Pr 3.937" .030"Mls Stock Bore 107Ci
Cometic
$59.50Cometic - C10164-030 - Head Gaskets M8 Pr 3.937" .030"Mls Stock Bore 107CiFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" Base
Cometic
$79.36Cometic - C10164-HB-030 - Head Gaskets M8 Pr 3.937" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$79.36 -
Cometic - C10165 - Head Gaskets M8 Pr 4.00" .040"Mls Stk 114Ci Oe#16500305
Cometic
$59.50Cometic - C10165 - Head Gaskets M8 Pr 4.00" .040"Mls Stk 114Ci Oe#16500305FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10165-030 - Head Gaskets M8 Pr 4.00" .030"Mls Stock Bore 114Ci
Cometic
$59.50Cometic - C10165-030 - Head Gaskets M8 Pr 4.00" .030"Mls Stock Bore 114CiFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10166 - Head Gaskets M8 Pr 4.075" .040"Mls Gasket Bore 4.095"
Cometic
$59.50Cometic - C10166 - Head Gaskets M8 Pr 4.075" .040"Mls Gasket Bore 4.095"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Out of stock
Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095"
Cometic
$59.50Cometic - C10166-030 - Head Gaskets M8 Pr 4.075" .030"Mls Gasket Bore 4.095"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Cometic - C10166-HB-030 - Head Gaskets M8 Pr 4.075" .030"Mls H/G .014" Base
Cometic
$79.36Cometic - C10166-HB-030 - Head Gaskets M8 Pr 4.075" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$79.36 -
Out of stock
Cometic - C10167 - Head Gaskets M8 Pr 4.125" .040"Mls Gasket Bore 4.145"
Cometic
$59.50Cometic - C10167 - Head Gaskets M8 Pr 4.125" .040"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Out of stock
Cometic - C10167-030 - Head Gaskets M8 Pr 4.125" .030"Mls Gasket Bore 4.145"
Cometic
$59.50Cometic - C10167-030 - Head Gaskets M8 Pr 4.125" .030"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Out of stock
Cometic - C10167-036 - Head Gaskets M8 Pr 4.125" .036"Mls Gasket Bore 4.145"
Cometic
$59.50Cometic - C10167-036 - Head Gaskets M8 Pr 4.125" .036"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Out of stock
Cometic - C10167-045 - Head Gaskets M8 Pr 4.125" .045"Mls Gasket Bore 4.145"
Cometic
$59.50Cometic - C10167-045 - Head Gaskets M8 Pr 4.125" .045"Mls Gasket Bore 4.145"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Cometic - C10167-HB-030 - Head Gaskets M8 Pr 4.125" .030"Mls H/G .014" Base
Cometic
$79.36Cometic - C10167-HB-030 - Head Gaskets M8 Pr 4.125" .030"Mls H/G .014" BaseFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$79.36 -
Out of stock
Cometic - C10168 - Head Gaskets M8 Pr 4.185" .040"Mls Gasket Bore 4.205"
Cometic
$59.50Cometic - C10168 - Head Gaskets M8 Pr 4.185" .040"Mls Gasket Bore 4.205"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10168-030 - Head Gaskets M8 Pr 4.185" .030"Mls Gasket Bore 4.205"
Cometic
$59.50Cometic - C10168-030 - Head Gaskets M8 Pr 4.185" .030"Mls Gasket Bore 4.205"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Cometic - C10169 - Head Gaskets M8 Pr 4.200" .040"Mls Gasket Bore 4.220"
Cometic
$59.50Cometic - C10169 - Head Gaskets M8 Pr 4.200" .040"Mls Gasket Bore 4.220"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10169-030 - Head Gaskets M8 Pr 4.200" .030"Mls Gasket Bore 4.220"
Cometic
$59.50Cometic - C10169-030 - Head Gaskets M8 Pr 4.200" .030"Mls Gasket Bore 4.220"FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$59.50 -
Out of stock
Cometic - C10170 - Top End Twin Cooled 103" .040" H/G 3.875" Kit
Cometic
$181.15Cometic - C10170 - Top End Twin Cooled 103" .040" H/G 3.875" KitFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$181.15 -
Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362
Cometic
$38.71Cometic - C10172 - Tappet Cover Gasket M8 .032"Afm 10Pk Oe#25700362FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$38.71 -
Cometic - C10173 - Cam Cover Gasket M8 .032"Afm 5Pk Oe#257700370
Cometic
$41.34Cometic - C10173 - Cam Cover Gasket M8 .032"Afm 5Pk Oe#257700370FeaturesGlobal Trade Item Number: 191070083014At Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials,...$41.34 -
Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433
Cometic
$4.03Cometic - C10174 - Piston Jet Cooler Gasket M8 .032"Afm 2Pk Oe#25700433FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$4.03 -
Out of stock
Cometic - C10176 - Airbox To Throttle Body M8 .031" Cvo Flhx 1Pk Oe#29000149
Cometic
$3.23Cometic - C10176 - Airbox To Throttle Body M8 .031" Cvo Flhx 1Pk Oe#29000149FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$3.23 -
Cometic - C10177 - Base Gasket M8 .014" Stk Thick Pr Oe#16500332
Cometic
$31.55Cometic - C10177 - Base Gasket M8 .014" Stk Thick Pr Oe#16500332FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$31.55 -
Out of stock
Cometic - C10177-010 - Base Gasket M8 .010"Rc Pr
Cometic
$31.55Cometic - C10177-010 - Base Gasket M8 .010"Rc PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$31.55 -
Out of stock
Cometic - C10177-020 - Base Gasket M8 .020"Rc Pr
Cometic
$31.55Cometic - C10177-020 - Base Gasket M8 .020"Rc PrFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$31.55 -
Cometic - C10178 - Cam Change Kit M8 Cam Change Kit Oe#25700731
Cometic
$37.71Cometic - C10178 - Cam Change Kit M8 Cam Change Kit Oe#25700731FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$37.71 -
Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372
Cometic
$113.10Cometic - C10179 - Upper Rocker Gasket M8 .020" Rc 10Pk Oe#25700372 Features At Cometic Gasket, our goal is to offer the latest in gasket technology Materials, manufacturing processes and gasket...$113.10 -
Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372
Cometic
$25.13Cometic - C10179-2 - Upper Rocker Gasket M8 .020" Rc 2Pk Oe#25700372FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$25.13 -
Cometic - C10181 - Head Gaskets M8 4.250" .040"Mls Pair
Cometic
$59.50Cometic - C10181 - Head Gaskets M8 4.250" .040"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$59.50 -
Cometic - C10181-030 - Head Gaskets M8 4.250" .030"Mls Pair
Cometic
$59.50Cometic - C10181-030 - Head Gaskets M8 4.250" .030"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$59.50 -
Out of stock
Cometic - C10182 - Head Gaskets M8 4.320" .040"Mls Pair
Cometic
$59.50Cometic - C10182 - Head Gaskets M8 4.320" .040"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$59.50
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.