Permatex 81409 High-Temp Red RTV Silicone Gasket

Formulated for hi-temp applications, or heavy-duty use (such as towing). Replaces almost any cut gasket by making reliable formed-in-place gaskets. The product resists aging, weathering and thermal cycling without hardening, shrinking or cracking. Designed to maintain maximum performance in a continuous temperature environment of 600 F and 650 intermittent.