Bar's Leaks Block Seal Head Gasket Fix - 24 Oz Permanent Solution for Cracked Cylinder Heads and Blown Head Gaskets

Bar's Leaks Block Seal Head Gasket Fix is a reliable solution designed to permanently seal leaks in cracked cylinder heads and blown head gaskets. This easy-to-use product contains a unique combination of antifreeze-compatible sodium silicate sealing liquid and various gasket-sealing particles that penetrate gaps and cracks, hardening to effectively stop leaks. With over two million bottles sold, it has established itself as a trusted choice for automotive maintenance, allowing you to avoid costly repairs and get your vehicle back on the road quickly and efficiently. • Stops block leaks • Seals cracked cylinder heads and blocks • Repairs blown head gaskets • Contains antifreeze compatible sodium silicate sealing liquid • Easy to use - pour directly into radiator without draining