Athena
Athena delivers high-quality motorcycle gaskets, piston kits and cylinders engineered for precision fit, reliable sealing and long-lasting engine performance. Trusted by riders and mechanics worldwide, Athena components ensure consistent compression and durability on every ride.
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Out of stock
Athena - P400485850116 - Complete Gasket Kit - Yamaha
Athena
$46.95Athena - 400485850116 - Complete Gasket Kit - YamahaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$46.95 -
Athena - P400250850009 - Complete Gasket Kit - Kawasaki
Athena
$80.95Athena - 400250850009 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$80.95 -
Athena - P400485600254 - Top End Gasket Kit - Yamaha
Athena
$35.95Athena - 400485600254 - Top End Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$35.95 -
Out of stock
Athena - P400485100003 - Cylinder Kit - 54.00 mm - YZ125
Athena
$1,110.95Athena - 400485100003 - Cylinder Kit - 54.00 mm - YZ125FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)There is an aluminum cylinder head with a removable...$1,110.95 -
Athena - P400250850251 - Complete Gasket Kit - Kawasaki
Athena
$72.95Athena - 400250850251 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$72.95 -
Athena - P400210850252 - Complete Gasket Kit - Honda
Athena
$63.95Athena - 400210850252 - Complete Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$63.95 -
Athena - P400485600116 - Top End Gasket Kit - Yamaha
Athena
$28.95Athena - 400485600116 - Top End Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$28.95 -
Athena - P400210850505/1 - Complete Gasket Kit - Honda
Athena
$115.95Athena - 400210850505 - Complete Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$115.95 -
Athena - P400250850089 - Complete Gasket Kit - Kawasaki
Athena
$58.95Athena - 400250850089 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$58.95 -
Out of stock
Athena - P400250600130 - Top End Gasket Kit - Kawasaki
Athena
$36.95Athena - 400250600130 - Top End Gasket Kit - KawasakiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$36.95 -
Athena - P400250600008 - Top End Gasket Kit - Kawasaki/Suzuki
Athena
$30.95Athena - 400250600008 - Top End Gasket Kit - Kawasaki/SuzukiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize...$30.95 -
Athena - P400210850214 - Complete Gasket Kit - Honda
Athena
$77.95Athena - 400210850214 - Complete Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$77.95 -
Athena - P400210850248 - Complete Gasket Kit - Honda
Athena
$36.95Athena - 400210850248 - Complete Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$36.95 -
Out of stock
Athena - P400270900061 - Complete Gasket Kit - Husqvarna/KTM - Fits 2014-2015 Husqvarna FC 350, 2014-2016 KTM Six Days, 2013-2015 KTM 350 SX-F, 2013-2015 KTM 350 XC-F
Athena
$185.95Athena - 09343011 - Complete Gasket Kit - Husqvarna/KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$185.95 -
Out of stock
Athena - P400485900187 - Complete Gasket Kit - Yamaha - Fits 1981 Suzuki RM125, 1999-2000 Suzuki RM250, 2015-2019 Yamaha YZ250FX
Athena
$207.95Athena - 09343172 - Complete Gasket Kit - YamahaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$207.95 -
Athena - P400250600030 - Top End Gasket Kit - Fits 2002-2025 Kawasaki KLX110
Athena
$50.95Athena - 09343166 - Top End Gasket Kit - KawasakiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$50.95 -
Athena - S4F06640018C - Piston Kit - 66.36 mm - Gas Gas | Husqvarna | KTM
Athena
$187.95Athena - 09103894 - Piston Kit - 66.36 mm - Gas Gas | Husqvarna | KTMFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it...$187.95 -
Athena - S4F05400017C - Piston Kit - 53.97 mm - Yamaha YZ125
Athena
$130.95Athena - 09103893 - Piston Kit - 53.97 mm - Yamaha YZ125FeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in...$130.95 -
Out of stock
Athena - S4F05400017A - Piston Kit - 53.95 mm - Yamaha YZ125 - Fits 2005-2021 Yamaha YZ125
Athena
$130.95Athena - 09103891 - Piston Kit - 53.95 mm - Yamaha YZ125FeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in...$130.95 -
Out of stock
Athena - S4F05400017B - Piston Kit - 53.96 mm - Yamaha YZ125
Athena
$130.95Athena - 09103892 - Piston Kit - 53.96 mm - Yamaha YZ125FeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in...$130.95 -
Out of stock
Athena - S4F08200005A - Piston Kit - 81.95 mm - Husqvarna | KTM - Multiple Husqvarna/KTM Models
Athena
$277.95Athena - 09103414 - Piston Kit - 81.95 mm - Husqvarna | KTMFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even...$277.95 -
Athena - P400270600072 - Top End Gasket Kit - Husqvarna/KTM - Fits 2014-2016 Husqvarna FE 450, 2014-2015 Husqvarna FE 501, 2014-2016 KTM 450 XC-W Six Days, 2014-2016 KTM 500 XC-W/Six Days
Athena
$147.95Athena - 09343169 - Top End Gasket Kit - Husqvarna/KTMFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$147.95 -
Out of stock
Athena - P400250900065 - Complete Gasket Kit - Fits 2014-2025 Kawasaki KX85
Athena
$131.95Athena - 09343165 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$131.95 -
Athena - R4856-188 - Top End Race Gasket Kit - Fits Yamaha 2016-2018 WR450F, 2014-2017 YZ450F, 2016-2018 YZ450FX
Athena
$91.95Athena - 09343163 - Top End Race Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium-quality base gaskets of different thicknesses to optimize engine...$91.95 -
Out of stock
Athena - P400250600065 - Top End Gasket Kit - Fits 2014-2025 Kawasaki KX85
Athena
$50.95Athena - 09343164 - Top End Gasket Kit - KawasakiFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$50.95 -
Athena - P400485900188 - Complete Gasket Kit - Fits Yamaha 2014-2017 YZ450F, 2002-2018 YZ85
Athena
$182.95Athena - 09343174 - Complete Gasket Kit - YamahaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$182.95 -
Out of stock
Athena - P400485600188 - Top End Gasket Kit - Fits Yamaha 2014-2017 YZ450F, 2002-2018 YZ85
Athena
$71.95Athena - 09343173 - Top End Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$71.95 -
Athena - P400485600187 - Top End Gasket Kit - Yamaha - Fits 1981 Suzuki RM125, 1999-2000 Suzuki RM250, 2015-2019 Yamaha YZ250FX
Athena
$91.95Athena - 09343171 - Top End Gasket Kit - YamahaFeaturesKit includes a top-of-the line MLSS head gasket and two or more premium quality base gaskets of different thicknesses to optimize engine...$91.95 -
Athena - S4F08100005B - Piston Kit - 80.96 mm - Yamaha WR250F/YZ250F
Athena
$293.95Athena - 09104194 - Piston Kit - 80.96 mm - Yamaha WR250F/YZ250FFeaturesHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance...$293.95 -
Athena - P400270600081 - Top End Gasket Kit - Gas Gas/Husqvarna/KTM - Multiple Husqvarna/KTM Models
Athena
$103.95Athena - 09345479 - Top End Gasket Kit - Gas Gas/Husqvarna/KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features...$103.95 -
Athena - P400270900077 - Complete Gasket Kit - Gas Gas/Husqvarna/KTM - Multiple Husqvarna/KTM Models
Athena
$243.95Athena - 09345466 - Complete Gasket Kit - Gas Gas/Husqvarna/KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material...$243.95 -
Athena - R2706-078 - Top End Race Gasket Kit - Gas Gas/Husqvarna/KTM - Fits 2016-2022 KTM 250 SX-F, 2016-2022 KTM 250 XC-F, 2016-2022 Husqvarna FC 250, 2017-2019 Husqvarna FE 250, 2017-2019 KTM 250 EXC-F/XCF-W
Athena
$54.95Athena - 09345470 - Top End Race Gasket Kit - Gas Gas/Husqvarna/KTMFeaturesGives the rider a choice of using standard gas with stock compression, or race gas with a higher compressionKit includes a...$54.95 -
Athena - P400270600077 - Top End Gasket Kit - Gas Gas/Husqvarna/KTM - Multiple Husqvarna/KTM Models
Athena
$98.95Athena - 09345465 - Top End Gasket Kit - Gas Gas/Husqvarna/KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features...$98.95 -
Athena - P400210600317 - Top End Gasket Kit - Fits 2017-2018 Honda CRF450R/RX
Athena
$82.95Athena - 09345463 - Top End Gasket Kit - HondaFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$82.95 -
Out of stock
Athena - R2106-317 - Top End Race Gasket Kit - Fits 2017-2018 Honda CRF450R
Athena
$75.55Athena - 09345462 - Top End Race Gasket Kit - HondaFeaturesGives the rider a choice of using standard gas with stock compression, or race gas with a higher compressionKit includes a top-of-the line...$75.55 -
Athena - P400510100027 - Cylinder Kit - 96.00 mm - Fits 2013-2017 Suzuki RM-Z450
Athena
MSRP: $772.95$714.95Athena - 09310678 - Cylinder Kit - 96.00 mm - SuzukiFeaturesForged OEM-style domed piston kitAluminum cylinder with nickel-carbide coating, ported to Factory Works specsAthena top-end gasket set...MSRP: $772.95$714.95 -
Out of stock
Athena - P400510100028 - Cylinder Kit - 100.00 mm - RMZ450
Athena
$1,151.95Athena - 09310679 - Cylinder Kit - 100.00 mm - RMZ450FeaturesSpecially designed, high performance, hard anodized power valves (cannot use OEM)Forged piston with molybdenum coatingDoes not include...$1,151.95 -
Athena - P400250900067 - Complete Gasket Kit - Fits 2017-2019 Kawasaki KX250F
Athena
$245.95Athena - 09345485 - Complete Gasket Kit - KawasakiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$245.95 -
Athena - P400510900098 - Complete Gasket Kit - Fits 2016-2018 Suzuki RM-Z250
Athena
$221.95Athena - 09345489 - Complete Gasket Kit - SuzukiFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$221.95 -
Athena - P400270600079 - Top End Gasket Kit - Husqvarna/KTM - Multiple Husqvarna/KTM Models
Athena
$129.95Athena - 09345475 - Top End Gasket Kit - Husqvarna/KTMFeaturesHead gasket features rubber-coated spring steel constructionSoft steel base gaskets are rubber coatedSteel core material features high...$129.95
Athena Gaskets, Piston Kits & Cylinder Components for Engine Performance
Athena is a global leader in motorcycle gaskets and engine components, producing parts designed for maximum reliability, performance and precision fit. From head gaskets to complete gasket kits, Athena products provide superior sealing and withstand the toughest riding conditions, whether on-road or off-road.
Built for professional builders and everyday riders, Athena piston kits and cylinder kits deliver consistent compression, improved engine lifespan and reduced oil leakage. Popular options like the Athena Top End Gasket Kits for Honda, Yamaha, Suzuki and Kawasaki vehicles make rebuilds easier and more dependable. Riders also rely on Athena cylinders and pistons to restore factory performance or achieve new power levels.
Whether you’re completing a full engine rebuild or replacing a head gasket, Athena components are trusted for precision engineering, OEM-level quality and lasting durability. Manufactured to exact specifications, these gaskets and engine kits keep your bike running at peak performance mile after mile.