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 - C10182-030 - Head Gaskets M8 4.320" .030"Mls Pair
Cometic
$59.50Cometic - C10182-030 - Head Gaskets M8 4.320" .030"Mls PairFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$59.50 -
Cometic - C10183 - Lower Rocker Rubber M8 2Pk Oe#25700425
Cometic
$26.45Cometic - C10183 - Lower Rocker Rubber M8 2Pk Oe#25700425FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$26.45 -
Out of stock
Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116
Cometic
$12.57Cometic - C10189 - Breather Assembly O-Ring M8 Viton 10Pk Oe#11900116FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$12.57 -
Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065
Cometic
$12.57Cometic - C10190 - Map Sensor O-Ring M8 Viton 10Pk Oe#32700065FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$12.57 -
Out of stock
Cometic - C10191 - Head Gaskets M8 Pr 4.250" .040"Mls Pair Coolant Heads
Cometic
$56.31Cometic - C10191 - Head Gaskets M8 Pr 4.250" .040"Mls Pair Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$56.31 -
Cometic - C10192 - Head Gaskets M8 Pr 4.320" .040"Mls Pair Coolant Heads
Cometic
$59.50Cometic - C10192 - Head Gaskets M8 Pr 4.320" .040"Mls Pair Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Out of stock
Cometic - C10192-HB - Head & Base Gaskets M8 4.320" .040"Hg .014"Bg Coolant Heads
Cometic
$79.36Cometic - C10192-HB - Head & Base Gaskets M8 4.320" .040"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$79.36 -
Cometic - C10193 - Head Gaskets M8 Pr 4.500" .040"Mls Pair Coolant Heads
Cometic
$59.50Cometic - C10193 - Head Gaskets M8 Pr 4.500" .040"Mls Pair Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$59.50 -
Cometic - C10193-HB-027-014 - Head & Base Gaskets M8 4.500" .027"Hg .014"Bg Coolant Heads
Cometic
$79.36Cometic - C10193-HB-027-014 - Head & Base Gaskets M8 4.500" .027"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing...$79.36 -
Cometic - C10193-HB - Head & Base Gaskets M8 4.500" .040"Hg .014"Bg Coolant Heads
Cometic
$79.36Cometic - C10193-HB - Head & Base Gaskets M8 4.500" .040"Hg .014"Bg Coolant HeadsFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and...$79.36 -
Out of stock
Cometic - C10194 - Base Gaskets M8 .014"Rc 4.320" Big Bore
Cometic
$31.55Cometic - C10194 - Base Gaskets M8 .014"Rc 4.320" Big BoreFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Cometic - C10195 - Base Gaskets M8 .014"Rc 4.500" Big Bore
Cometic
$31.55Cometic - C10195 - Base Gaskets M8 .014"Rc 4.500" Big BoreFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.55 -
Cometic - C10197 - Transmission W/Oil Pan Gasket M8 All Touring
Cometic
$99.53Cometic - C10197 - Transmission W/Oil Pan Gasket M8 All TouringFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$99.53 -
Out of stock
Cometic - C10198F1 - Primary Gasket M8 .060"Afm 1Pk Oe#25700378
Cometic
$44.61Cometic - C10198F1 - Primary Gasket M8 .060"Afm 1Pk Oe#25700378FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$44.61 -
Out of stock
Cometic - C10200 - Induction Module O-Ring Kit M8 Oe#91800058-X
Cometic
$6.63Cometic - C10200 - Induction Module O-Ring Kit M8 Oe#91800058-XFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$6.63 -
Cometic - C10201 - Coolant Manifold O-Ring M8 10Pk Oe#11900090
Cometic
$19.83Cometic - C10201 - Coolant Manifold O-Ring M8 10Pk Oe#11900090FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$19.83 -
Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044
Cometic
$26.19Cometic - C10202 - Valve Stem Seal M8 8Pk Oe#18100044FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$26.19 -
Cometic - C10203 - Seal Intake Manifld To Head M8 4Pk Oe#27300087
Cometic
$22.48Cometic - C10203 - Seal Intake Manifld To Head M8 4Pk Oe#27300087FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$22.48 -
Out of stock
Cometic - C10204 - Seal Manifld To Throttle Body M8 4Pk Oe#27300082
Cometic
$68.50Cometic - C10204 - Seal Manifld To Throttle Body M8 4Pk Oe#27300082 Features At Cometic Gasket, our goal is to offer the latest in gasket technology Materials, manufacturing processes and gasket...$68.50 -
Cometic - C10205 - Injector O-Ring M8 Repl 10Pk Oe#91800058-B
Cometic
$14.88Cometic - C10205 - Injector O-Ring M8 Repl 10Pk Oe#91800058-BFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$14.88 -
Cometic - C10206 - Injector O-Ring M8 Repl Orange 10Pk Oe#91800058-O
Cometic
$14.88Cometic - C10206 - Injector O-Ring M8 Repl Orange 10Pk Oe#91800058-OFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$14.88 -
Cometic - C10207 - Ac To Throttle Body Seal M8 4Pk Oe#29000108
Cometic
$28.44Cometic - C10207 - Ac To Throttle Body Seal M8 4Pk Oe#29000108FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$28.44 -
Out of stock
Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010
Cometic
$14.88Cometic - C10208 - Case Plug O-Ring M8 Liquid Cooled 10Pk Oe#11900010FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$14.88 -
Out of stock
Cometic - C10209 - Crank Seal M8 4Pk Oe#11000134
Cometic
$26.19Cometic - C10209 - Crank Seal M8 4Pk Oe#11000134FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are constantly...$26.19 -
Cometic - C10210 - Cam Plate To Oil Pump O-Ring M8 10Pk Oem# 11900103
Cometic
$11.31Cometic - C10210 - Cam Plate To Oil Pump O-Ring M8 10Pk Oem# 11900103FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$11.31 -
Cometic - C10211 - Primary To Engine Gasket M8 1Pk Oe#25700455
Cometic
$31.76Cometic - C10211 - Primary To Engine Gasket M8 1Pk Oe#25700455FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$31.76 -
Out of stock
Cometic - C10212 - Oil Return O-Ring Trans Plug M8 10Pk Oe#11900092
Cometic
$11.31Cometic - C10212 - Oil Return O-Ring Trans Plug M8 10Pk Oe#11900092FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$11.31 -
Out of stock
Cometic - C10213 - Trans Shift Shaft Seal M8 5Pk Oe#11000101
Cometic
$23.15Cometic - C10213 - Trans Shift Shaft Seal M8 5Pk Oe#11000101FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$23.15 -
Cometic - C10214 - Engine To Trans Gasket M8 1Pk Oe#24400215
Cometic
$11.31Cometic - C10214 - Engine To Trans Gasket M8 1Pk Oe#24400215FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$11.31 -
Out of stock
Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452
Cometic
$21.09Cometic - C10215 - Oil Pan Gasket M8 .032"Afm 1Pk Oe#25700452FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$21.09 -
Cometic - C10216 - Trans Top Cvr Gskt M8 Flt .060"Afm 1Pk Oe#25700453
Cometic
$7.88Cometic - C10216 - Trans Top Cvr Gskt M8 Flt .060"Afm 1Pk Oe#25700453FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket...$7.88 -
Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729
Cometic
$238.10Cometic - C10217 - Top End Kit M8 3.937" 107Cu .040"H/G Oe#25700729FeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs...$238.10 -
Cometic - C10217-030 - Top End Kit M8 3.937" 107Cu .030"H/G
Cometic
$238.10Cometic - C10217-030 - Top End 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 are...$238.10 -
Out of stock
Cometic - C10218 - Top End Kit M8 4.00" 114Cu Cvo .040"H/G
Cometic
$238.10Cometic - C10218 - Top End Kit M8 4.00" 114Cu Cvo .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 - C10218-030 - Top End Kit M8 4.00" 114Cu Cvo .030"H/G
Cometic
$238.10Cometic - C10218-030 - Top End Kit M8 4.00" 114Cu Cvo .030"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Cometic - C10219 - Top End Kit M8 4.075" 114Cu .040"H/G
Cometic
$238.10Cometic - C10219 - Top End Kit M8 4.075" 114Cu .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 - C10219-030 - Top End Kit M8 4.075" 114Cu .030"H/G
Cometic
$238.10Cometic - C10219-030 - Top End Kit M8 4.075" 114Cu .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 - C10220 - Top End Kit M8 4.125" 117Cu .040"H/G
Cometic
$238.10Cometic - C10220 - Top End Kit M8 4.125" 117Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10 -
Cometic - C10220-030 - Top End Kit M8 4.125" 117Cu .030"H/G
Cometic
$238.10Cometic - C10220-030 - Top End Kit M8 4.125" 117Cu .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 - C10221 - Top End Kit M8 4.185" 120Cu .040"H/G
Cometic
$238.10Cometic - C10221 - Top End Kit M8 4.185" 120Cu .040"H/GFeaturesAt Cometic Gasket, our goal is to offer the latest in gasket technologyMaterials, manufacturing processes and gasket designs are...$238.10
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.