






ATHENA
TOP END PISTON KIT; KTM 450 SX-F 20-22
Out of stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
Breathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Designed for riders who demand maximum performance and uncompromising reliability, this complete rebuild kit pairs a precision-forged piston with Athena's premium top-end gasket kit for a seamless installation and race-ready durability. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, superior heat resistance, and consistent power output, while premium Japanese piston rings and Athena's advanced gasket technology provide outstanding sealing for long-lasting engine performance. Complete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set Reverse-extruded forged aluminum piston for exceptional strength and durability Precision CNC-machined for OEM-quality fit and consistent performance Premium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life Flat-top piston design promotes efficient combustion and crisp throttle response Advanced gasket materials provide dependable, leak-free sealing for demanding enduro applications Includes: Forged 4-Stroke Piston Piston Rings (2) Piston Pin / Wrist Pin Circlips Complete Top End Gasket Kit Piston Size: 94.95mm Displacement: 449cc Compression: 12.8:1 Piston Type: Forged Piston Head: Flat Compression Height: 22.80mm Piston Pin: Biconical Big End Pin Diameter: 19 x 10 x 45mm
Specs
- Vehicle
- Offroad
- Weight Lb
- 0.0
- Shipping Class
- standard


