Permatex 59403 Silicone Gasket Maker, 3 oz Tube, Paste, Acetic Acid

Formulated for hi-temp applications or heavy-duty use. Replaces almost any cut gasket by making reliable formed-in-place gaskets that resist cracking, shrinking and migrating caused by thermal cycling. Coats pre-cut gaskets to increase reliability. Temperature range -65 to 650 deg F intermittent, resists auto and shop fluids.