Vertex Top End Piston Kit Size A - KTM/GasGas/Husqvarna 250 SX/XC/XC-W/EC/EX/MC 2023-2024 | VTK23630A-3

The Vertex Top End Piston Kit Size A (VTK23630A-3) is a precision-engineered replacement for 2023–2024 KTM, GasGas, and Husqvarna 250cc 2-stroke models. Supplied in size A, this kit delivers exact bore fitment to maximize power output, minimize blow-by, and restore your engine to race-ready condition.

What's Included

• Piston (size A)
• Piston rings
• Wrist pin
• Circlips

Key Features

• Size A Piston — Precision bore-matched for maximum power and minimal blow-by
• MoS2 Coated Skirts — Hi-tech molybdenum disulphide coating for faster break-in and extended piston life
• T-5 Heat Treatment — Hardening and tempering cycle for superior strength and durability under race conditions
• OEM-Quality Fitment — Drop-in replacement with no machining required
• Reduced Oil Consumption — Tight tolerances minimize blow-by for a cleaner, more efficient engine

Fitment

• KTM 250 SX: 2023–2024
• KTM 250 XC: 2023–2024
• KTM 250 XC-W: 2024
• GasGas EC 250: 2023–2024
• GasGas EX 250: 2023–2024
• Husqvarna MC 250: 2023–2024

Note: Measure your cylinder bore before ordering to confirm size A is correct for your application. Consult your service manual for bore specifications.

Why Vertex?

Vertex Pistons are manufactured in Italy and trusted by professional race teams worldwide. Their precision engineering and premium materials make them the top choice for serious motocross and enduro mechanics who won't compromise on engine performance.