Feature: 1. Great Accessories: If your previous 66T 11635 00 accessories are worn out or old, this piston kit is perfect for directly replacing them, suitable for E40 40X outboard 2 stroke 40HP. 2. Durable Metal Alloy Material: Made of premium metal alloy, this 66T 11635 00 boat motor piston kit is built to last, ensuring it won't easily get damaged. 3. Erosion Resistance: With excellent stability even under unconventional conditions, this piston kit is highly resistant to erosion, making it suitable for long term use in various environments. 4. High Hardness: The high hardness of this piston assembly kit significantly increases its lifespan, providing you with the excellent components to maintain optimal performance. 5. Easy Installation: Designed to be easily installed and used, this outboard motor piston kit will quickly bring you the desired results after routine operations, enhancing your efficiency. Specification: Item Type: Piston Kit Material: Metal alloy Part Number: 66T 11635 00 Installation Type: Replacement for original part, direct replacement Fitment: Replacement for E40 40X outboard 2 stroke 40HP. Package List: 1 x Piston Kit (6 Components) Note: 1. Please verify the part number and model before purchasing to ensure compatibility.2. If you are not a professional, it is recommended to seek assistance from a professional mechanic for installation to ensure the best shopping experience.