85% of reviewers recommend this product. Our products are made in the u.s.a Use on hard to stop leaks, even on northstar engines
Bar's Leaks Block Seal Head Gasket Sealant Automotive Additive, 20 oz
The special formulation contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles reinforced with carbon fiber which penetrate gaps and cracks and harden to permanently stop leaks.
Your vehicle is a good candidate for this solution if it can idle for 15 minutes without overheating or having to add coolant.
Bar’s head gasket repair pro is a the strongest head gasket repair that penetrates leaking, blown or damaged head gaskets, small cracks in the engine block and other areas near the combustion chamber to provide a permanent repair Formulated for those difficult head gasket leaks. Bar’s leaks has been america’s most trusted cooling system stop leak brand since 1947 Our first head gasket leak repair patent dates back to 1950