SL-315 700°F Grey RTV Silicone is one-part component specially designed for oxy-sensor engines. It forms any size or shaped gasket which is resistant to both high temperatures and high pressures. Resists cracking, shrinkage and migration caused by thermal cycling. Withstands temperatures up to 700°F (+371°C) intermittent. Ideal for timing covers, valve covers, oil pans, intake manifolds, exhaust manifolds and water pumps. Dries securely as gasket.