Feature: 1. OEM Number: Connecting rod kit replace part number are 66T 11650 00, 66T 11650 01. Please make sure the OEM number matches the part you are replacing. 2. Strong Compatibility: Connecting rod set is fit for X Series 2 Stroke 40HP 40X Outboard Engines, which is made according to the prototype model. 3. Powerful Function: The optimized design gets your engine working again in a short time, and is more sensitive and flexible, increasing work efficiency. 4. Rust Proof: Precision manufacturing of steel alloy structure, with excellent marine environment and rust resistance to ensure maximum durability and service life. 5. Ideal Replacement: Exquisite workmanship ensures form and function match the original equipment, allowing direct replacement and installation without modification. Specification: Item Type: Connecting Rod KitMaterial: Steel alloyOEM: 66T 11650 00, 66T 11650 01Application: Fit for Outboard 40HP 40XStroke: 2 Stroke Engines X seriesEngine HP: 40HP 40XMH . Package List: 1 x Connecting Rod Kit(33PCS) Note: 1.Please double check the part number of your item, matching information is for reference only.2. It is recommended to find a professional engineer to assist with the installation to ensure the best shopping experience.