This Genuine Tohatsu Marine Part is a piston ring set with the part number 350-87123-0. It is compatible with various Tohatsu outboard motor models and is designed to provide reliable and efficient performance. The set includes multiple rings that are made from high-quality materials to ensure durability and longevity. This piston ring set is a crucial component of the engine's combustion process, helping to maintain proper compression and prevent oil from leaking into the combustion chamber. It is a genuine Tohatsu part, ensuring a perfect fit and optimal performance for your marine engine.