Permatex 80628: Sensor-Safe Blue RTV Silicone Gasket Maker.
Replaces gaskets or forms them in place: Ideal for valve covers, oil pans, and various engine components.
Sensor-safe formula: Protects oxygen sensors in modern engines.
High-temperature resistance: Withstands up to 500°F for long-lasting performance.
Easy to use: Cartridge design works with standard caulking guns (sold separately).