Cylinder Piston Kits 40mm for FS280 4119 020 1207 This piston kit is designed for use with FS280 engines and compatible models.It includes a 40mm cylinder, piston, connecting rod, wrist pin, and piston rings.The components are -machined to meet specifications for proper fit and function.Suitable for engine rebuilds and performance , the kit helps restore compression and engine efficiency.Installation requires standard mechanical tools and knowledge of small engine assembly.Note: This part is made by an independent vendor.Any brand/model mention is for compatibility purposes only.