Description: 100% Brand New Cylinder Head Gasket. Made of high quality material,durable. Fit for Linhai 400cc Engines ATV Go Karts. Match original equipment exactly for a perfect fit. Easy to install. Specification: Material: Aluminum Center Hole Diameter: 80mm / 3.1" Package Includes: 2x Cylinder Head Gaskets Note: Please make sure the item fits for your motor before order