This Sierra Prop Nut Kit Part 18-3717 is a must-have for any boat owner looking to improve their outboard engine's performance. Designed by Sierra, a trusted brand in the boating industry, this kit includes everything you need to upgrade your boat's electrical system and ensure your engine runs smoothly. With a focus on quality and reliability, this kit is perfect for those who want to invest in their boat's performance. The kit includes all necessary components, including the prop nut, making it easy to install and get your boat back on the water. Whether you're a seasoned boater or just starting out, this Sierra Prop Nut Kit Part 18-3717 is a great investment for anyone looking to improve their boat's performance. Box 5772