Piston Ring Kit 4115P011 0439200 10000-02835 40235600 Compatible with FG Wilson Engine 1104C-44 1103 This piston ring kit is designed for use with specified engine models.It includes a complete set of piston rings that fit the designated applications.The components are engineered to meet specifications for proper function and durability.Installation requires standard mechanical tools and knowledge.correct fitment by verifying compatibility with your engine model before use. Disclaimer: This is not an part.References to brands or models are used only to illustrate compatibility.