Bar's Leaks HG-1 HEAD SEAL Blown Head Gasket Repair Description Bar's Leaks Head Gasket and Cooling Sealant repairs blown head and intake gasket leaks. Seals cracked cylinder heads and blocks. Stops heater core and radiator leaks. Fixes leaking freeze and core plugs. Features: Repairs Blown Head And Intake Gasket Leaks Seals Cracked Cylinder Heads And Blocks Stops Heater Core And Radiator Leaks Fixes Leaking Freeze And Core Plugs. Strongest antifreeze-compatible solution on the market Product Details: Is Discontinued By Manufacturer : No Product Dimensions : 9.78 x 3.22 x 3.22 inches; 2.49 Pounds Item model number : HG-1 Date First Available : July 7, 2004 Manufacturer : Bar's Leaks Country of Origin : USA Best Sellers Rank: #3,326 in Automotive (See Top 100 in Automotive) #1 in Automotive Replacement Air Cleaner Mounting Gaskets #1 in Automotive Replacement Air Cleaner Mounting Gaskets Customer Reviews: 4.1 4.1 out of 5 stars 3,806 ratings