Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Seals larger leaks seals</li><li>Repairs heater core leaks</li><li>Repairs freeze plug leaks</li><li>Repairs blown head gaskets</li><li>Repairs blocks</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51bNscpJKWL.jpg" noproxy>