The professional engine sealer with multiple uses. Use it to seal the case half together. It's great because Gasgacinch stays flexible, and never becomes brittle. It grows with the engine case as it heats up. Use it to revive old gaskets, or hold gaskets in place during assembly. Gasgacinch withstands shock pressure, heat and hot oils. And it affords easy gasket removal during rework. Gasgacinch, it's the final answer for a better seal.