Permatex High Temp Red RTV Silicone Gasket Maker 311g is a premium OEM-specified silicone sealant engineered for high-temperature automotive sealing applications. Made in the USA, this professional RTV silicone forms durable, leak-proof gaskets that replace conventional cut gaskets while resisting cracking, shrinking, and thermal cycling. With an operating temperature range of -54°C to 343°C (-65°F to 650°F intermittent), it is ideal for valve covers, oil pans, timing covers, water pumps, thermostat housings, and other demanding engine applications.
Content 311,
Made in USA
In Stock