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PEAK 50/50 Antifreeze + Coolant is a conventional (green), ethylene glycol-based antifreeze used in older automotive and light-duty gasoline/diesel applications. PEAK Conventional 50/50 Antifreeze + Coolant provides maximum protection from freezing to -84°F and boil-over to +276°F. Protects all cooling system metals, including aluminium, against damaging rust and corrosion when recommended.

Features & Benefits:

  • Maximum Freeze-Up Protection To -84°F Boil-Over Protection To +276°F* *At sea level atmospheric pressure with 15lb pressure cap. The boiling point decreases by about 2°F per 1,000 feet of altitude and increases by about 2.5°F per pound developed in the system.
  • Provides Year-Round Protection Against Damaging Rust and Corrosion
  • Compatible with All Conventional (Green) Antifreeze and coolants
  • Meets or exceeds ASTM D3306 and D4985 specifications
  • Engineered for use in older passenger cars and light-duty trucks


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