Feature: 1. DURABLE AND EROSION RESISTANT: This piston assembly is made with premium and erosion resistant materials, ensuring a long lifespan and reliable performance even in demanding environments. 2. PRACTICAL REPLACEMENT: Designed as a practical replacement part for gasoline generators, this piston assembly makes it easy to replace old or worn out components, improving the overall performance of the generator. 3. HASSLE FREE INSTALLATION: With its easy installation process, this piston assembly ensures convenient and hassle free replacement, providing stable performance and minimizing the risk of damage during installation. 4. EXCELLENT PERFORMANCE: Engineered with advanced manufacturing techniques, this piston assembly offers reliability, accuracy, and performance, ensuring accurate and efficient operation of the machine. 5. ENHANCE EFFICIENCY AND LIFESPAN: By regularly replacing worn out parts, this piston assembly helps improve the overall efficiency and lifespan of the machine, making it highly suitable for extended and heavy duty use. Specification: Item Type: Piston pin rings kit Material: Zinc alloy Weight: Approx. 661g / 23.3oz Compatible: for 188F FX390 engine Application: Gasoline generator . Package List: 1 x Piston Assembly7 x Accessory