Nobody offers a more comprehensive line of motorcycle-specific oils and chemicals than Pro Honda. Developed through the performance and durability testing of professional racing, these Honda motorcycle oil and service products are crafted to the same high exacting standards as your Honda. High-temperature silicone liquid gasket. Unique formula is non-acidic and won't corrode aluminum like other silicon gasket products will. For use in applications not requiring solid gaskets. Pro Honda P/N: 08718-0004.