Bar’s Leaks Head Gasket 1 Step Stop Leak and Block Repair – Formulated to penetrate leaking, blown or damaged head gaskets. This product contains a combination of antifreeze compatible sodium silicate (liquid glass) and reinforcement particles which penetrate gaps and cracks. Once applied, Bar’s Head Gasket Repair 1 Step will harden to stop leaks in the head gasket and any minor leaking near the combustion chamber.
Bar's Leaks Head Gasket Repair 1 Step is recommended for use in vehicles that can run on idle for 15-30 minutes without overheating. Future minor leaks can be completely prevented by using Bar’s Head Gasket Repair 1 Step!
Compatible with all 50-50 mix coolant
Simple 1 step formula
Seals large head gasket leaks
Product Code: H1S1L Bottle Sizes: Net 20oz (600 mL)
The cooling system must be clean and free of other types of stop leak products. If it is necessary to remove other anti-leakage substances, or if the engine is over 2 years old or has traveled over 40,000 km, clean the system with Bar's Leaks Nural before using Bar's Leaks Radiator Stop Leak.