Maximize your engine's performance with the Prox Piston Kit, engineered for superior reliability and power. This kit provides a complete solution for rebuilding your engine, ensuring optimal compression and combustion. Experience the difference of high-quality components designed for demanding applications. Description The Prox Piston Kit is meticulously crafted in Japan to meet or exceed OEM specifications. Each piston is cast from a high-silicon-content aluminum alloy, offering exceptional strength and heat resistance. Advanced CNC-machining ensures extremely close tolerances, promoting optimal cylinder sealing and reducing friction. Designed for 300cc 2-stroke engines, this standard size A piston kit delivers consistent performance and extended engine life. Whether you're a professional mechanic or an avid enthusiast, this piston kit provides the reliability and performance you demand. The non-coated skirt design contributes to efficient heat transfer and smooth operation. Upgrade your engine with Prox and feel the power! Features & highlights OEM Replacement: Designed as a direct replacement for original equipment, ensuring perfect fit and function. High-Silicon Aluminum Alloy: Provides exceptional strength, heat resistance, and durability. CNC-Machined: Ensures extremely close tolerances for optimal cylinder sealing and reduced friction. Complete Kit: Includes piston, ring kit, wrist pin, and circlips for a comprehensive rebuild solution. Optimized Performance: Experience improved compression, combustion, and overall engine performance. Technical specifications Brand: Prox Part Number: 09103248 Product Name: Piston Kit Bore Size: 72.00 mm Piston Size: 71.94 mm Displacement: 300 cc Engine Type: 2-Stroke Piston Material: Aluminum Alloy Skirt Coating: Non-Coated Type: Standard Size A Compression Ratio: Standard Important to know This kit is specifically designed for the listed engine type and displacement. Ensure compatibility before installation. Professional installation is recommended.