Bar's Leaks Block Seal Head Gasket Sealant (20 oz. / 567 g Bottle - Part # 1100). Engineered to permanently seal coolant leaks, blown head gaskets, cracked heads, and intake gasket leaks on cast iron or aluminum blocks. Product Details: • Brand: Bar's Leaks • Part Number: 1100 • UPC: 046087011003 • Volume: 20 fl. oz.
