Moroso 35500 - Ceramic Engine Seal, 1 Pt

Ceramic Engine Seal 1 Pint Do Not Use w/Antifreeze • The best Chemical Sealer you can buy to stop cooling system leaks • Works equally well in aluminum or cast-iron blocks • Cooling system must be thoroughly clean before use • Does not work with antifreeze • If this doesn't stop the leaks, find yourself a welder!