Wossner Pro Series Piston Kit for 400cc 4-Stroke Engines

Elevate your engine's performance and durability with the Wossner Pro Series Piston Kit, specifically engineered for 400cc 4-stroke motorcycle engines. This comprehensive kit provides everything needed for a robust engine rebuild, ensuring power delivery and reliability.

Description

Experience superior engine performance with the Wossner Pro Series piston, a testament to precision engineering and advanced material science. Each piston is meticulously forged from aerospace-grade aluminum alloy, offering exceptional strength and reduced weight for optimal power delivery and throttle response in your 400cc 4-stroke engine. The advanced Molybdenum Disulphite (Moly) skirt coating significantly reduces friction and piston rock, contributing to quieter operation, improved longevity, and a smoother break-in process. Designed with an aggressive 13.5:1 compression ratio, this piston kit is crafted to unlock maximum power and efficiency. With a precise 90.01 mm bore size and an 89.95 mm piston diameter, it ensures an ideal fit for a reliable engine rebuild. The kit includes the high-quality piston, durable rings (nitride coated steel and cast), a sturdy pin, and secure clips, making it a complete solution for enhancing your motorcycle's heart.

Features & Highlights

• Advanced Moly Skirt Coating: Features a permanent Molybdenum Disulphite coating to drastically reduce friction, minimize piston rock, and ensure a quiet, long-lasting, and efficient engine operation.
• Aerospace-Grade Forged Aluminum: Constructed from premium forged aluminum alloy, providing exceptional strength, durability, and reduced reciprocating mass for enhanced engine responsiveness and longevity.
• Optimized Lightweight Design: Precision machining ensures optimal lightness while maintaining critical strength in key areas like the crown and skirt wall cross-section, contributing to improved performance.
• High Compression Ratio: Engineered with a 13.5:1 compression ratio to maximize power output and engine efficiency for an exhilarating riding experience.
• Complete Rebuild Kit: Each Wossner Pro Series Piston Kit includes the piston, high-quality nitride coated steel and cast rings, piston pin, and secure clips, offering a convenient, all-in-one solution for your engine rebuild.

Technical Specifications

• Model: Pro Series
• Engine Type: 4-Stroke
• Displacement: 400 cc
• Bore Size: 90.01 mm
• Piston Diameter: 89.95 mm
• Piston Size: Standard Size B
• Compression Ratio: 13.5:1
• Piston Material: Forged Aluminum Alloy
• Skirt Coating: Molybdenum Disulphite
• Ring Material: Nitride Coated Steel, Cast
• Units: Kit

Important to Know

This kit includes the piston, piston rings, piston pin, and retaining clips. Other engine components, such as gaskets, bearings, or cylinder sleeves, are sold separately and are not part of this kit.