Permatex Nickel Anti-Seize Lubricant 454gProtects metal parts from seizing and galling at temperatures up to 2400F (1316C). Copper-free, use under conditions of extreme pressure and temperature, and with stainless steel, titanium and nickel alloys.Suggested Applications: Exhaust manifold bolts, exhaust system bolts, muffler clamps and tailpipe assemblies