The PISTON RING KIT by RECMAR is a high-quality OEM replacement part designed specifically for Mercruiser engines. This kit includes the 39-16054A5 piston ring, ensuring a perfect fit and optimal performance. Crafted with precision and durability in mind, these piston rings are made from top-grade materials to withstand the rigors of marine environments. They are engineered to provide excellent compression and oil control, ensuring smooth operation and maximum power output. With the PISTON RING KIT by RECMAR, you can trust that your Mercruiser engine will deliver reliable performance and longevity. Whether you're a professional mechanic or a DIY enthusiast, this kit is easy to install and will have your engine running like new in no time. Don't compromise on quality when it comes to your Mercruiser engine. Choose the PISTON RING KIT by RECMAR for superior performance and peace of mind on the water.