Bar's Leaks Cooling System Sealer (5.5 oz.)

Permanently seals leaks

Use on plastic, aluminum,
and metal radiators, heater cores,
blocks, heads, gaskets,
and freeze plugs

Prevents rust, cuts electrolysis,
and lubes water pump

Compatible with all brands of antifreeze
including extended life

Use one bottle for 4 cylinder engines
and two bottles for 6 and 8 cylinder engines