Material:Stainless Steel Origin:Mainland China Certification:NONE Description: * Brand new and high quality *Easy installation and durable *A perfect aftermarket replacement *Suitable for power generators, water pumps, lawn mowers. *Suitable for Honda: GX110 (3.5 hp), GX120 (4.0 hp), GX140 (5.0 hp), GX160 (5.5 hp), GX200 (6.5 hp). *Hole spacing 44 mm *Replaces the following numbers: Muffler: 18310-ZF1-000 Muffler Gasket: 18381-ZH8-800 Package Includes: 1 x Muffler 1 x Gaskets Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible.