Vertex Top End Piston Kit - KTM 250 SX
Part number: VTK23121B
$236.95

Description
Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Specifications Cylinder Diameter: 66mm Displacement: 250cc Piston O.D.: 66.35mm Vehicle Fitment KTM 250 SX (2005) Vertex Pistons are precision-engineered for maximum performance and durability. Each kit is manufactured to OEM specifications with premium materials for a perfect fit. Backed by Vertex's quality guarantee.
Specifications
| compression ratio | STD |
|---|---|
| cylinder diameter | 66mm |
| displacement | 250cc |
| part type | Top End Piston Kit |
| piston od | 66.35 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2005 | KTM | 250 SX | Catalog application: 2005 KTM 250 SX. Piston OD 66.35 mm; Cylinder 66mm. Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
Check the exact vehicle application and specifications before ordering. Ask HPE if a detail is missing.