K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
- Permanent coolant leak repair – Just shake, pour and go.
- Fixes cracks and leaks in radiator, head gasket, freeze plugs, cylinder heads, heater core, water pump casing and engine blocks.
- If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn’t allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.