Feature: 100% Brand New Motorcycle Exhaust Gasket High temperature resistance and long service life Made of copper surface, can play a good sealing effect, ensure a leak-free connection. Heat resistant and durability. Lower the noise and make you motorcycle more stable and comfortable. Specification: Condition: 100% Brand New and Color: Copper Tone Material: Metal Inner Diameter: 30mm / 1.18" Outer Diameter: 40mm / 1.57" Thickness: 5.1mm / 0.20" Installation: Remove the exhaust pipe; Clean the cylinder head connector; Put the exhaust pipe gasket into the cylinder head. If the gasket is too loose, you can apply a little bit of butter or sealant on the gasket to stick it, and then install the exhaust pipe. Fit For:for Honda CG125/150/175/200/250Note: This is Non-OEM Product,accessory only. Please allow 1-2mm error due to manual measurement. Package Includes:10 x Motorcycle Exhaust Gasket