Vertex Cast Big Bore Piston Kit for 250cc 2-Stroke

Unleash enhanced power and performance from your 250cc 2-stroke engine with the Vertex Cast Big Bore Piston Kit. Engineered for motorcycle enthusiasts seeking a significant upgrade, this kit delivers increased displacement, torque, and peak horsepower, ensuring your ride stands out on the track or trail.

Description

The Vertex Cast Big Bore Piston Kit is meticulously designed to elevate your engine's capabilities. Crafted from a high-strength, gravity-cast aluminum alloy with an impressive 18% silicone content, this piston offers an extremely light yet remarkably durable solution for your 2-stroke 250cc motor. Unlike forged alternatives, the cast construction provides excellent thermal stability and wear resistance, maintaining the original OE form for seamless integration into big bore cylinders. Each piston undergoes a rigorous T-5 hardening and tempering cycle, a specialized heat treatment that significantly boosts its structural integrity and longevity under extreme operating conditions. Furthermore, the piston skirts are treated with a cutting-edge Molybdenum Disulphite coating. This advanced coating drastically reduces friction during initial break-in, accelerating the process and extending the overall life of the piston by minimizing wear and tear. With a bore size of 68.50 mm and a piston size increase of +1.10 mm, this kit is your go-to for a reliable and powerful engine upgrade.

Features & Highlights

• Optimized Big Bore Performance: Specifically engineered as a cast big bore piston, this kit directly increases your 250cc engine's displacement, leading to a noticeable boost in torque and peak horsepower for superior acceleration and pulling power.
• Advanced Durability & Lightweight Design: Constructed from gravity-cast aluminum alloy with 18% silicone, the piston achieves an exceptional balance of strength and lightness, ensuring robust performance without adding unnecessary mass.
• Enhanced Longevity with T-5 Heat Treatment: Each piston undergoes a precise T-5 hardening and tempering cycle, significantly improving its structural integrity and resistance to fatigue, extending the lifespan of your engine's critical components.
• Reduced Friction & Faster Break-in: The high-tech Molybdenum Disulphite coating on the piston skirts minimizes friction, allowing for a quicker and smoother engine break-in period while also contributing to increased piston life.
• Precision Engineering for OE Fit: Designed in original OE form for big bore cylinders, this kit ensures a precise fit and reliable operation, making installation straightforward for a confident engine rebuild or upgrade.

Important to Know

While this Vertex Piston Kit includes all necessary components for installation, please note that replacement two-stroke piston rings are sold individually. Four-stroke piston rings are sold as a set when purchased separately for future maintenance needs.

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