Cast Iron Exhaust Manifold Repair Kit (3/32") - High Temperature Resistant, Durable Fix for Leaks - Perfect for Automotive Repair, Engine Maintenance & DIY Mechanics

Suited for exhaust manifold repairs. Use the 72 rod to anchor into the burnt cast iron and top off the weld with 77 for crack free welds. Cast iron stoves and furnace grates are considered burnt cast iron. The 72 rod welds heat affected cast iron. The 77 is used as an overlay for machinability Cracked Cast Iron Radiators Can Be Welded Use the 77 arc rod or the 72 rod for dirtier heat affected cast. Works on cast iron engine blocks and cast iron transmissions. 77 and 72 are versatile and can be used as a stick weld or TIG weld. Read more Read more