Holts Radweld Plus 250ML is an easy to use, total cooling system leak repair. It works through your system to quickly seal leaks in:
- Engine blocks
- Cylinder heads
- Heater core
- Water pump gaskets
Radweld Plus can be used at home and is simple to use; there’s no need to flush or drain the system. Simply pour in and let Radweld Plus locate and seal the leaks.