Vertex Cast Top End Piston Kit - 66.35mm Bore - Size B - VTK23630B-3

Upgrade your 2-stroke engine's performance and reliability with the Vertex Cast Replica Top End Piston Kit. This comprehensive kit provides a high-quality, OE replacement solution, engineered for durability and a precise fit for your motorcycle. Experience renewed power and extended engine life with this expertly crafted Vertex Cast Replica Top End Piston Kit.

Description

The Vertex Cast Replica Top End Piston Kit is meticulously engineered to meet or exceed original equipment specifications for 2-stroke engines, particularly those with a 250 cc displacement and a 66.40 mm cylinder diameter. Crafted from a gravity-cast aluminum alloy with an impressive 18% silicone content, this piston offers superior strength and heat dissipation without the added cost of a forged piston, making it an ideal OE replacement piston. Each piston undergoes a rigorous T-5 hardening and tempering cycle, enhancing its structural integrity and resistance to wear under extreme operating conditions. Furthermore, the piston skirt is treated with a high-tech Molybdenum Disulphite coating, which significantly reduces friction during initial break-in, promotes smoother operation, and extends the overall piston life. Designed for a standard compression ratio, this 66.35 mm piston ensures optimal engine performance and longevity. This complete motorcycle top end kit includes everything needed for a thorough rebuild: the piston, rings, pins, circlips, a full set of top end gaskets, and a wrist pin bearing, providing a hassle-free installation and reliable upgrade.

Features & Highlights

• OE-Quality Cast Aluminum Construction: Manufactured from gravity-cast aluminum alloy with 18% silicone for exceptional strength, heat dissipation, and an exact OE replacement fit for your 2-stroke engine.
• Enhanced Durability: Each piston is heat-treated with a T-5 hardening and tempering cycle, ensuring superior structural integrity and resistance to wear for prolonged engine life.
• Reduced Friction & Faster Break-in: The advanced Molybdenum Disulphite coating on the piston skirt minimizes friction, allowing for quicker and safer break-in, while also increasing overall piston longevity.
• Optimized Performance: Designed for a standard compression ratio and a precise 66.35 mm piston diameter, ensuring consistent and reliable power output for your 250 cc engine.
• Complete Top End Rebuild Kit: Includes the piston, rings, pins, circlips, a full set of top end gaskets, and a wrist pin bearing, providing all essential components for a seamless and comprehensive rebuild.

Technical Specifications

• Engine Type: 2-Stroke
• Displacement: 250 cc
• Piston Diameter: 66.35 mm
• Cylinder Diameter: 66.40 mm
• Piston Material: Aluminum Alloy, Cast
• Skirt Coating: Molybdenum Disulphite
• Compression Ratio: Standard
• Units: Kit