Vertex Top End Piston Kit - Gas-Gas EC 125
Part number: VTK23928B-5
$231.95
Description
Top End Piston Kit. Includes (Cast Replica Piston Kit, Top End Gasket Kit & Wrist Pin Bearing). Specifications Cylinder Diameter: 54mm Displacement: 125cc Piston O.D.: 53.95mm Vehicle Fitment Gas-Gas EC 125 (2025) Gas-Gas MC 125 (2024-2025) Husqvarna TC 125 (2023-2025) Husqvarna TC 125 Heritage Edition (2023,2025) KTM 125 SX (2023-2025) KTM 125 XC (2023-2025) 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 | 54mm |
| displacement | 125cc |
| part type | Top End Piston Kit |
| piston od | 53.95 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2025 | Gas-Gas | EC 125 | Catalog application: 2025 Gas-Gas EC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2025 | Gas-Gas | MC 125 | Catalog application: 2025 Gas-Gas MC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2024 | Gas-Gas | MC 125 | Catalog application: 2024 Gas-Gas MC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2025 | Husqvarna | TC 125 | Catalog application: 2025 Husqvarna TC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2024 | Husqvarna | TC 125 | Catalog application: 2024 Husqvarna TC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2023 | Husqvarna | TC 125 | Catalog application: 2023 Husqvarna TC 125. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2025 | Husqvarna | TC 125 Heritage Edition | Catalog application: 2025 Husqvarna TC 125 Heritage Edition. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2023 | Husqvarna | TC 125 Heritage Edition | Catalog application: 2023 Husqvarna TC 125 Heritage Edition. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2025 | KTM | 125 SX | Catalog application: 2025 KTM 125 SX. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2024 | KTM | 125 SX | Catalog application: 2024 KTM 125 SX. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2023 | KTM | 125 SX | Catalog application: 2023 KTM 125 SX. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2025 | KTM | 125 XC | Catalog application: 2025 KTM 125 XC. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2024 | KTM | 125 XC | Catalog application: 2024 KTM 125 XC. Piston OD 53.95 mm; Cylinder 54mm. 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. |
| 2023 | KTM | 125 XC | Catalog application: 2023 KTM 125 XC. Piston OD 53.95 mm; Cylinder 54mm. 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.