The Prox Piston Kit is your high-quality solution for maintaining or upgrading your 4-stroke engine. Precision-engineered in Japan using state-of-the-art CNC equipment, this kit provides optimal performance and reliability. Restore your engine's power with a kit designed to meet or exceed OEM standards. Description This Prox Piston Kit is specifically designed for 4-stroke engines with a 230cc displacement. The piston is crafted from a durable cast aluminum alloy, ensuring excellent heat dissipation and longevity. Oversize piston options are available based on manufacturer recommendations to accommodate specific cylinder wall clearances, offering flexibility for engine rebuilding. Each piston undergoes precision machining using advanced CNC equipment, guaranteeing dimensional accuracy and consistent performance. This kit provides improved engine efficiency and power output. Experience smoother operation and enhanced throttle response with this premium piston kit. Features & highlights Manufactured in Japan to OEM replacement standards. Precision machined on state-of-the-art CNC equipment for optimal accuracy. Durable cast aluminum alloy piston provides excellent heat dissipation. Kit includes everything needed for a complete piston replacement: piston, rings, wrist pin, and circlips. Designed to improve engine efficiency and power output for 230cc 4-stroke engines. Technical specifications Brand: Prox Part Number: 01.1363.000 Engine Type: 4-Stroke Displacement: 230 cc Bore Size: 65.50 mm Bore - Oversize: Standard Compression Ratio: 9.0:1 Piston Material: Cast Aluminum Alloy Piston Head Shape: Flat Top Skirt Coating: Non-Coated Important to know This kit includes the piston, rings, wrist pin, and circlips. No other components are included.