ProX Ignition Cover Gasket XR400R 96-04 Ignition Cover Gaskets Next to the high quality Top End & Complete gaskets sets, ProX Racing Parts offers a complete range of ignition cover gaskets. These ProX ignition cover gaskets are a convenient and superior OEM replacement. The gaskets are manufactured from premium grade materials only ensuring optimal sealing and durability while OEM specs precision-cut guarantees perfect fit. ProX Racing Parts offers a wide range for an extended range of Dirt Bike applications.