Prox Piston Kit - 400cc, 90.00mm Bore

Upgrade your 4-stroke engine with the Prox Piston Kit, engineered for optimal performance and durability. This kit provides a reliable and high-quality replacement for your original equipment, ensuring a precise fit and improved engine efficiency.

Description

The Prox Piston Kit is manufactured in Japan and designed as a premium OEM replacement. It's cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications. The piston is then CNC-machined to extremely close tolerances, ensuring optimal performance and longevity. The kit is designed for 400cc 4-stroke engines with a 90.00mm bore and a compression ratio of 12.2:1. Installing this piston kit will help restore lost compression and revitalize your engine's power. This standard size B piston measures 89.97mm in diameter, ensuring compatibility and proper fitment.

Features & highlights

• Manufactured in Japan to meet or exceed OEM standards, ensuring top-tier quality and reliability.
• Cast from high-silicon-content aluminum alloy for superior strength and heat resistance.
• CNC-machined to extremely close tolerances for precise fit and optimal engine performance.
• Complete kit includes piston, ring kit, wrist pin, and circlips for a comprehensive replacement solution.
• Designed for 4-stroke engines with a 90.00mm bore and 400cc displacement.
• Forged aluminum alloy construction for enhanced durability and performance.

Technical specifications

• Brand: PROX
• Part Number: 01.3420.B
• Bore Size: 90.00 mm
• Compression Ratio: 12.2:1
• Displacement: 400 cc
• Engine Type: 4-Stroke
• Piston Diameter: 89.97 mm
• Piston Material: Aluminum Alloy, Forged
• Piston Size: 89.97 mm
• Skirt Coating: Non-Coated
• Type: Standard Size B
• Units: Kit

Important to know

Professional installation is recommended to ensure proper fitment and performance.