This Genuine Tohatsu Marine Part is a piston ring set with the part number 3VS-87123-0. It is specifically designed for Tohatsu outboard motors and is made with high-quality materials to ensure optimal performance and durability. The piston ring set plays a crucial role in maintaining proper compression and preventing oil leakage in the engine. It is a genuine Tohatsu part, meaning it is manufactured by the original equipment manufacturer and meets the strict quality standards set by Tohatsu. Whether you are replacing worn-out piston rings or performing a complete engine overhaul, this Genuine Tohatsu Marine Part is the perfect choice to ensure the longevity and reliability of your outboard motor.