Engines and Components› Pistons and Piston Rings
Athena
Athena 14-17 Husqvarna TC 85 (w/KTM Engine) 46.94mm Bore Cast 2-Stroke Top End Piston Kit w/Gaskets
SKU: A0EF P4C0470013005A
Advanced — 4+ hours
Description
Part #: P4C0470013005A
Having two products in one kit that work perfectly together for an excellent result. Athena presents on the market the new Top End Piston Kit which includes a cast 2-stroke piston and the top end gasket kit. Athena studies, develops and tests internally all the technologies and materials of its pistons, while also engineering the entire development of compatible gaskets. After replacing a piston, this perfectly tuned kit offers very high performance and ensures maximum reliability.
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Athena |
| Part Number | A0EF P4C0470013005A |
Videos
NEW PRODUCT Athena Top End Piston Kit - 2T 4T 🆕
Athena 4-Stroke Cylinder Kit Review by MotoEverything
Yamaha Banshee Full Engine Rebuild + First Start | Athena Top End
The NEW Athena piston for KTM SX-F 350 cc dirt bikes 💥
Top End Piston Kit: all you need in one kit! 🔥
🔥 ATHENA NEW EXTREME Big Bore Cylinder Kits for 250cc dirt bikes 🔥
Athena YZ144 Kit - Big Bore Case Mods and Top End Install. Project YZ144 part 6
Athena 304cc Big Bore POWER! WR250F Gets a MASSIVE Upgrade! 🔥
Part 6: Installing Athena 290 Big Bore Kit- Yamaha WR/ YZ 25
Unleash EXTREME power: Athena’s Big Bore Kit for Kawasaki KX 250
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy