Piston Kit (Forged High Compression)

Boost performance and reliability with a forged high-compression piston upgrade. The VERTEX Pro HC Piston Kit is developed with Vertex technology and designed to raise compression for improved power and torque across the whole RPM range. Its forged construction and advanced coatings help your engine handle demanding riding while reducing wear and shortening break-in time.

If you’re refreshing a tired top end or building a stronger 250cc 4-stroke, this kit delivers a complete, matched solution—so you get the critical components in one package and can get back to riding with confidence.

Key features:

• ✅ Pro HC forged high-compression design to improve power and torque
• ✅ 2618 forged aluminum construction for superior strength and durability
• ✅ T-5 heat-treated hardening/tempering cycle for long service life
• ✅ Molybdenum Disulphite skirt coating for faster break-in and increased piston life
• ✅ Complete kit included: piston, rings, wrist pin and circlips

Benefits of use:

• 🔹 More responsive engine feel with improved output across the rev range
• 🔹 Reduced wear and scuffing risk thanks to forged material and skirt coating
• 🔹 Convenient rebuild solution with all essential top-end piston components in one kit

Technical specifications:

• 📌 Brand: VERTEX
• 📌 Vendor part number: 24381B
• 📌 Engine type: 4-Stroke
• 📌 Displacement: 250 cc
• 📌 Bore size: 77.00 mm
• 📌 Piston diameter: 76.96 mm
• 📌 Compression ratio: 14.7:1
• 📌 Piston material: forged aluminum alloy
• 📌 Ring material: nitride-coated steel
• 📌 Skirt coating: moly coated
• 📌 Piston size: Standard Size B
• 📌 Units: Kit

Why choose this product?

• ⭐ Built with premium forged materials and proven Vertex piston technology
• ⭐ Designed for riders who want stronger performance without sacrificing durability
• ⭐ Complete kit packaging simplifies ordering and rebuild planning