AMSOIL Heavy-Duty Antifreeze & Coolant

Fully formulated: DOES NOT require the use of supplemental antifreeze/coolant additives (SCAs) or extenders Protection up to 1,000,000 miles, 20,000 hours or 8 years, whichever comes first Ethylene glycol 50/50 pre-mix formulation Proprietary hybrid organic acid technology (HOAT) formulation is further enhanced with anti-scalant, anti-fouling and water-pump lubrication additives Phosphate-, nitrite-, silicate-, borate- and amine-free Compatible with all other antifreeze and coolant colors