Boost displacement and unlock stronger torque and peak horsepower with the VERTEX Pro-BB Forged Big Bore Piston Kit. Designed in original OE form for big-bore cylinders, this kit is a dependable choice for riders who want a durable performance upgrade without compromising fitment or long-term reliability.
Forged from high-strength 2618 aluminum and processed with a T-5 hardening and tempering cycle, the piston is built to handle demanding riding and elevated loads. A high-tech molybdenum disulphite skirt coating reduces friction for faster break-in and helps extend piston service life—ideal when you want consistent performance over many hours.
Key features:
✅ Pro-BB forged design in original OE form for big-bore cylinders
✅ T-5 heat-treated for improved durability and stability
✅ Moly-coated piston skirt for faster break-in and increased piston life
Benefits of use:
🔹 More power potential: big-bore concept increases displacement, torque and peak horsepower
🔹 Reduced friction & wear thanks to the moly skirt coating for smoother running
🔹 Convenient rebuild solution: complete kit includes the key parts you need in one package
Technical specifications (when needed):
📌 Brand: VERTEX
📌 Engine type: 4-Stroke
📌 Material: Forged aluminum alloy (2618)
📌 Skirt coating: Moly coated
📌 Ring material: Nitride-coated steel
📌 Style: Forged Big Bore
📌 Included: piston, rings, wrist pin, circlips
📌 Vendor part number: 24637B
Why choose this product?
⭐ Premium VERTEX forged construction for strength and durability
⭐ OE-form fitment designed specifically for big-bore cylinder applications
⭐ A complete kit that simplifies ordering and engine refresh planning