Upgrade your 125cc 2-stroke engine with the Prox Piston Kit, engineered for optimal performance and durability. This kit provides a reliable OEM replacement, ensuring your engine runs smoothly and efficiently. Get back on the road or track with confidence, knowing your engine is equipped with high-quality components. Description The Prox Piston Kit is meticulously manufactured in Japan to meet or exceed OEM specifications. Each piston is cast from a high-silicon-content aluminum alloy, providing exceptional strength and heat resistance. The piston then undergoes precision CNC-machining to achieve extremely close tolerances, guaranteeing a perfect fit and optimal performance. Designed for 2-stroke engines, this kit will restore lost compression and power. Easy installation gets you back on your machine quickly. Prox delivers consistent quality and reliability for enthusiasts and professionals alike. Trust Prox to deliver the performance you demand. Features & highlights Manufactured in Japan to ensure top-tier quality and precision. Cast from high-silicon-content aluminum alloy for superior strength and heat dissipation. CNC-machined to extremely tight tolerances for optimal fit and performance. Moly coated skirt reduces friction and enhances wear resistance. Complete kit includes everything needed for a full piston replacement. Designed as a direct OEM replacement for easy installation. Technical specifications Brand: Prox Product Name: Piston Kit Vendor Part Number: 01.2225.A Bore Size: 54.00 mm Piston Size: 53.95 mm Bore - Oversize: Standard Displacement: 125cc Engine Type: 2-Stroke Compression Ratio: Standard Piston Material: Cast Aluminum Alloy Skirt Coating: Moly Coated Type: Standard Size A Units: Kit Important to know This kit includes the piston, ring kit, wrist pin, and circlips. No additional components are included.