Liquid Copper Block Seal Intake Radiator Stop Leak
One Step Formula permanently repairs larger leaks in radiators, intake manifolds & gaskets, heater cores, blocks, heads and freeze plugs. One Step Sealer contains an antifreeze compatible sodium silicate liquid glass formula, so no draining of the cooling system is required.
Use ½ bottles in small cooling systems, such as 4 cylinders with no A/C. Use 1 bottle for regular size systems, which are most 4, 6, 8 and 10 cylinder engines. For larger systems, use 1 bottle for every 23 L of cooling system capacity. 510 g