Prox Forged Piston Kit for 4-Stroke 87.97mm Engines

Unleash the full potential of your 4-stroke engine with the high-performance Prox Forged Piston Kit 87.97mm. Engineered for reliability and power, this standard size B piston kit is a direct replacement, ensuring superior engine longevity and optimized output.

Description

The Prox Forged Piston Kit 87.97mm is meticulously crafted to deliver exceptional durability and performance for your 4-stroke engine. Utilizing a specialized, low-expansion aluminum alloy, these forged pistons are designed to minimize friction and maximize reliability, mirroring the high standards of major Japanese engine manufacturers. Each piston undergoes precision machining on state-of-the-art CNC equipment, ensuring exact tolerances and a perfect fit. With a robust 12.3:1 compression ratio and a precise 87.97mm diameter (Standard Size B), this kit provides the foundation for optimal power delivery and a responsive throttle. The included steel piston rings further enhance sealing and longevity, making this forged replica piston kit an ideal choice for engine rebuilds or performance upgrades where uncompromising quality is paramount.

Features & Highlights

• Superior Forged Construction: Crafted from a specific, low-expansion aluminum alloy, these pistons reduce friction and significantly enhance engine reliability, ensuring consistent performance under demanding conditions.
• Precision CNC Machining: Each piston is meticulously machined on advanced CNC equipment, guaranteeing exact dimensions and a perfect fit for seamless installation and optimal engine operation.
• OEM-Level Quality: Engineered with the same low-friction alloy found in major Japanese engine manufacturers, providing performance and durability comparable to original equipment.
• Optimized Compression: Designed with a 12.3:1 compression ratio to deliver powerful combustion and improved engine responsiveness for a dynamic riding experience.
• Complete Kit: Includes a high-strength steel ring set, offering a comprehensive solution for a robust and long-lasting engine rebuild.

Technical Specifications

• Style: Forged Replica
• Units: Kit
• Engine Type: 4-Stroke
• Piston Size: Standard Size B
• Piston Diameter: 87.97 mm
• Piston Material: Forged Aluminum Alloy
• Ring Material: Steel
• Compression Ratio: 12.3:1
• Vendor Part Number: 01.6367.B