Use for installing Silicone Gaskets to Valve Covers etc. OEM specified. Formulated for hi-temp applications, or heavy-duty use.  Resists cracking, shrinking, or migrating caused by thermal cycling. Coats pre-cut gaskets to increase reliability. Temperature range -65ºF to 650ºF (-54°C to 343°C) intermittent; resists auto and shop fluids.  Also available from your local auto parts store.