Engine cylinder block repair (cylinder welding)

**Engine Cylinder Block Repair (Cylinder Seal) by WYNN’S, the Belgian company**
**Features:**
Forms a hard glassy layer when exposed to air
Repairs cracks in cylinder blocks made of cast iron, steel, and aluminum without dismantling them
Stops small leaks / cracks in metal head gaskets
Ensures a permanent repair within 30 minutes.
**How to Use:**
1- Add the contents of the bottle to the radiator
2- Fill the radiator completely with water **(Must not contain antifreeze or engine coolants (distilled water only))**
3- Start the car and drive it for 15 minutes
4- After that, let the engine cool down, then fill the radiator with coolant (antifreeze + distilled water)
5- In case of large cracks, it is preferable to leave the material in the cooling system for 3 – 4 days before draining
**Warning/ Add with water only and do not add to other coolants.**
Stop Leak Cylinder Block Seal
5411693722509
W72250

This is not a bundle product.