Description
Bar’s Leaks Block Seal is a professional-grade solution that permanently seals blown head gaskets, cracked heads, engine blocks, and cooling system leaks. Its advanced liquid aluminum formula activates with engine heat to create a durable, long-lasting seal. Works with gasoline and diesel engines and is safe for all standard coolants. Ideal for shops, fleets, and wholesale buyers. Case pack includes 4 bottles, 24 oz each.