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 - C3409-EST - Top End Gasket Kit - 82 mm - Suzuki
Cometic
$69.95Cometic - 09347836 - Top End Gasket Kit - 82 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$69.95 -
Cometic - C7737 - Top End Gasket Kit - 48 mm - Kawasaki/Suzuki
Cometic
$28.95Cometic - 09347867 - Top End Gasket Kit - 48 mm - Kawasaki/SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$28.95 -
Out of stock
Cometic - C3621 - Top End Gasket Kit - 96 mm - Honda
Cometic
$85.95Cometic - 09347844 - Top End Gasket Kit - 96 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$85.95 -
Out of stock
Cometic - C3803 - Top End Gasket Kit - Kawasaki
Cometic
$84.95Cometic - 09347860 - Top End Gasket Kit - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal...$84.95 -
Cometic - C3813 - Top End Gasket Kit - 97 mm - Yamaha
Cometic
$87.95Cometic - 09347863 - Top End Gasket Kit - 97 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$87.95 -
Cometic - C7682 - Top End Gasket Kit - 47 mm - Kawasaki/Suzuki
Cometic
$28.95Cometic - 09347866 - Top End Gasket Kit - 47 mm - Kawasaki/SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$28.95 -
Cometic - C3806 - Top End Gasket Kit - 96 mm - Kawasaki
Cometic
$88.95Cometic - 09347861 - Top End Gasket Kit - 96 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$88.95 -
Cometic - C3779-EST - Top End Gasket Kit - 90 mm - KTM
Cometic
$74.95Cometic - 09347853 - Top End Gasket Kit - 90 mm - KTMFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal...$74.95 -
Out of stock
Cometic - C3406-EST - Top End Gasket Kit - 77 mm - Suzuki
Cometic
$69.95Cometic - 09347832 - Top End Gasket Kit - 77 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$69.95 -
Cometic - C3695 - Top End Gasket Kit - 77 mm Stock - Yamaha
Cometic
$79.95Cometic - 09347847 - Top End Gasket Kit - 77 mm Stock - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$79.95 -
Cometic - C3635 - Top End Gasket Kit - 79 mm - Honda
Cometic
$67.95Cometic - 09347846 - Top End Gasket Kit - 79 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$67.95 -
Cometic - C3623 - Top End Gasket Kit - KTM/Husqvarna/Gas Gas
Cometic
$46.95Cometic - 09347804 - Top End Gasket Kit - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$46.95 -
Cometic - C3234-EST - Top End Gasket Kit - 99 mm - Suzuki
Cometic
$89.95Cometic - 09347828 - Top End Gasket Kit - 99 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$89.95 -
Cometic - C3542 - Top End Gasket Kit - 52.5 mm Stock - Kawasaki
Cometic
$31.95Cometic - 09347840 - Top End Gasket Kit - 52.5 mm Stock - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$31.95 -
Cometic - C3604-EST - Top End Gasket Kit - 95 mm - KTM/Husqvarna/Gas Gas
Cometic
$74.95Cometic - 09347807 - Top End Gasket Kit - 95 mm - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and...$74.95 -
Cometic - C3233-EST - Top End Gasket Kit - 97 mm Stock - Suzuki
Cometic
$89.95Cometic - 09347827 - Top End Gasket Kit - 97 mm Stock - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$89.95 -
Cometic - C3215 - Top End Gasket Kit - Yamaha
Cometic
$44.95Cometic - 09347826 - Top End Gasket Kit - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for...$44.95 -
Cometic - C3636 - Top End Gasket Kit - KTM/Husqvarna/Gas Gas
Cometic
$47.95Cometic - 09347801 - Top End Gasket Kit - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$47.95 -
Cometic - C3811 - Top End Gasket Kit - KTM/Husqvarna/Gas Gas
Cometic
$79.95Cometic - 09347803 - Top End Gasket Kit - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$79.95 -
Cometic - C3808 - Top End Gasket Kit - Gas Gas/KTM/Husqvarna
Cometic
$92.95Cometic - 09347802 - Top End Gasket Kit - Gas Gas/KTM/HusqvarnaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$92.95 -
Out of stock
Cometic - C3818 - Top End Gasket Kit - 85 mm - KTM
Cometic
$47.95Cometic - 09347864 - Top End Gasket Kit - 85 mm - KTMFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal...$47.95 -
Cometic - C3733 - Top End Gasket Kit - 96 mm - Honda
Cometic
$85.95Cometic - 09347850 - Top End Gasket Kit - 96 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$85.95 -
Cometic - C3694 - Top End Gasket/O-Ring Cylinder Head Gasket Kit - Yamaha
Cometic
$39.95Cometic - 09351299 - Top End Gasket/O-Ring Cylinder Head Gasket Kit - YamahaFeaturesSpecsTypeTop EndRiding StyleOff-RoadProduct NameGasket KitUnitsKitFitment2018-2023YamahaYZ65$39.95 -
Cometic - C3801 - Top End Gasket Kit - 96 mm - Honda
Cometic
$85.95Cometic - 09347859 - Top End Gasket Kit - 96 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$85.95 -
Cometic - C3630 - Top End Gasket Kit - 97 mm - Yamaha
Cometic
$53.95Cometic - 09347845 - Top End Gasket Kit - 97 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$53.95 -
Cometic - C3766 - Top End Gasket Kit - 80 mm - Yamaha
Cometic
$79.95Cometic - 09347852 - Top End Gasket Kit - 80 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$79.95 -
Cometic - C3540-EST - Top End Gasket Kit - 97 mm - Yamaha
Cometic
$68.95Cometic - 09347839 - Top End Gasket Kit - 97 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$68.95 -
Out of stock
Cometic - C3810 - Top End Gasket Kit - 88 mm - KTM/Husqvarna/Gas Gas
Cometic
$102.95Cometic - 09347862 - Top End Gasket Kit - 88 mm - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and...$102.95 -
Cometic - C3786 - Top End Gasket Kit - 97 mm - Yamaha
Cometic
$78.95Cometic - 09347855 - Top End Gasket Kit - 97 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$78.95 -
Cometic - C3787 - Top End Gasket Kit - 79 mm - Kawasaki
Cometic
$84.95Cometic - 09347856 - Top End Gasket Kit - 79 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$84.95 -
Cometic - C3735 - Top End Gasket Kit - 82 mm - Honda
Cometic
$67.95Cometic - 09347851 - Top End Gasket Kit - 82 mm - HondaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$67.95 -
Cometic - C3731 - Top End Gasket Kit/O-Ring Cylinder Head Gasket - Yamaha
Cometic
$39.95Cometic - 09347849 - Top End Gasket Kit/O-Ring Cylinder Head Gasket - YamahaFeaturesMaterials will vary depending on what is correct and engineered for specified applicationPurchase a top and a...$39.95 -
Cometic - C3696 - Top End Gasket Kit - 96 mm Stock - Kawasaki
Cometic
$85.95Cometic - 09347848 - Top End Gasket Kit - 96 mm Stock - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better...$85.95 -
Cometic - C3605-EST - Top End Gasket Kit - 88 mm - KTM
Cometic
$74.95Cometic - 09347843 - Top End Gasket Kit - 88 mm - KTMFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal...$74.95 -
Cometic - C3410-EST - Top End Gasket Kit - 84 mm - Suzuki
Cometic
$69.95Cometic - 09347837 - Top End Gasket Kit - 84 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$69.95 -
Cometic - C3543 - Top End Gasket Kit - 54.5 mm - Kawasaki
Cometic
$31.95Cometic - 09347841 - Top End Gasket Kit - 54.5 mm - KawasakiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston...$31.95 -
Cometic - C3549-EST - Top End Gasket Kit - 77 mm - Yamaha
Cometic
$74.95Cometic - 09347842 - Top End Gasket Kit - 77 mm - YamahaFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$74.95 -
Cometic - C3407-EST - Top End Gasket Kit - 79 mm - Suzuki
Cometic
$69.95Cometic - 09347833 - Top End Gasket Kit - 79 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$69.95 -
Cometic - C3408-EST - Top End Gasket Kit - 80 mm - Suzuki
Cometic
$69.95Cometic - 09347834 - Top End Gasket Kit - 80 mm - SuzukiFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring...$69.95 -
Cometic - C3595-EST - Top End Gasket Kit - 79 mm - KTM/Husqvarna/Gas Gas
Cometic
$87.95Cometic - 09347806 - Top End Gasket Kit - 79 mm - KTM/Husqvarna/Gas GasFeaturesMLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and...$87.95
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.