The Permatex High-Temperature RTV Silicone Gasket Maker is OEM specified and formulated for hi-temp applications, or heavy-duty use (such as towing). This Permatex gasket maker replaces almost any cut gasket by making reliable formed-in-place gaskets that resist cracking, shrinking and migrating caused by thermal cycling. It coats pre-cut gaskets to increase reliability and resists auto and shop fluids. Whether you need it for thermostat housings or valve covers, this silicone gasket maker from Permatex is a must.

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