Description Features: 1. OEM Number: Connecting rod kit replacement part numbers are 66T 11650 00, 66T 11650 01. Please ensure the OEM number matches the part you are replacing. 2. Strong Compatibility: Connecting rod set is compatible with X Series 2 Stroke 40HP 40X Outboard Engines, manufactured to match the original design. 3. Powerful Function: Optimized design allows for quick engine restoration, offering improved responsiveness and flexibility to enhance performance. 4. Rust Resistant: Precision-engineered steel alloy construction provides excellent resistance to rust and marine conditions, ensuring long-lasting durability. 5. Ideal Replacement: High-quality craftsmanship ensures exact form and function compared to original equipment, enabling direct installation without modifications. Specification: Item Type: Connecting Rod Kit Material: Steel alloy OEM: 66T 11650 00, 66T 11650 01 Application: Compatible with 40HP 40X Outboard Engines Stroke: 2 Stroke X Series Engine HP: 40HP 40XMH Note: 1. Please double check the part number of your item; reference information is for guidance only. 2. Professional installation is recommended to ensure proper fit and performance.