Vertex Cast Race Piston Kit for 85cc 2-Stroke

Upgrade your engine with the high-performance Vertex Cast Race Piston Kit, meticulously engineered for 85cc 2-stroke motorcycles. This comprehensive kit delivers race-proven durability and enhanced engine response, making it ideal for competitive riding and demanding conditions.

Description

Designed to meet the rigorous demands of racing, the Vertex Cast Race Piston Kit is a premium choice for rebuilding or upgrading your 85cc 2-stroke engine. Each piston is crafted from a gravity-cast aluminum alloy, featuring an impressive 18% silicone content. This unique composition results in an exceptionally light yet remarkably strong piston, capable of withstanding extreme pressures and temperatures. The advanced race shape profile, developed with Vertex's cutting-edge technology, optimizes combustion efficiency and power delivery.

To ensure maximum longevity and a swift break-in period, every Vertex piston undergoes a T-5 hardening and tempering heat treatment cycle. Furthermore, the piston skirts are treated with a high-tech Molybdenum Disulphite (Moly) coating. This specialized coating significantly reduces friction, minimizes wear, and extends the piston's operational life. With a precise bore size of 47.50 mm and a piston diameter of 47.45 mm, this standard compression piston kit ensures a perfect fit and reliable performance. The kit includes the piston, durable nitride-coated steel rings, a wrist pin, and circlips, providing all essential components for a complete and confident engine rebuild.

Features & Highlights

• Race-Proven Design: Engineered with Vertex's advanced technology and a race shape profile for optimal performance and power delivery in 85cc 2-stroke engines.
• Superior Material Strength: Constructed from gravity-cast aluminum alloy with 18% silicone content, ensuring an extremely light yet exceptionally strong piston.
• Enhanced Durability & Longevity: Undergoes a T-5 hardening and tempering heat treatment, boosting the piston's resistance to wear and fatigue.
• Reduced Friction & Faster Break-in: High-tech Molybdenum Disulphite (Moly) coating on the piston skirt minimizes friction, reduces wear, and promotes quicker, smoother break-in.
• Complete Rebuild Kit: Includes the piston, nitride-coated steel rings, wrist pin, and circlips, offering a comprehensive solution for your engine overhaul.

Technical Specifications

• Style: Cast Race
• Units: Kit
• Bore Size: 47.50 mm
• Engine Type: 2-Stroke
• Piston Size: Standard Size A
• Displacement: 85 cc
• Ring Material: Nitride Coated, Steel
• Skirt Coating: Moly Coated
• Piston Diameter: 47.45 mm
• Piston Material: Aluminum Alloy, Cast
• Compression Ratio: Standard
• Vendor Part Number: 24503A

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