KRAFFT BLOCK SOLDER

Penetrating and heat-curing sealing agent for the internal repair of cracks in engine blocks.

• Formulated to repair internal micro-cracks in cast iron or aluminium engine blocks.
• Suitable for petrol and diesel engines.
• Activated by engine heat, cures while the engine runs.
• Prevents coolant loss from internal leaks.
• Applied directly into the cooling system (not radiators with thermostats closed).
• One full 500 ml bottle treats one truck engine.
• Half bottle (250 ml) recommended for standard passenger cars.