Radiators Archives - Page 2 of 2 - Counterman Magazine
New One-Step Bar’s Leaks Liquid Copper Block Seal

Bar’s Leaks has reformulated its popular Liquid Copper Block Seal Intake and Radiator Stop Leak to make it the only one-step copper block seal on the market. Simply pour it into the radiator, idle the engine for five minutes, cool, top off with coolant and go. Liquid Copper (p/n 1109) uses an advanced antifreeze-compatible sodium silicate