GM Gasket SealerNever hardens or dries out
Temperature range -50°F to 400°F
A universal sealant used by the automotive, truck, marine and aviation industries. It never hardens or dries out and it can withstand temperatures of -50F to 400F to extend the life of all gasket materials. It is designed to provide a better seal against compression leaks, water or antifreeze leaks, oil leaks, gasoline leaks, and pressure or vacuum leaks. It also prevents corrosion of bolt, stud and fitting threads.