PEAK Factory Pack Pro-Series Heavy Duty Antifreeze/Coolant Concentrate 1 Gal

Guaranteed Life-of-the-Engine 1,500,000 mile coolant† Advanced formula provides outstanding liner pitting, water pump cavitation, and metal corrosion protection Proprietary scale inhibitors and surfactant additives prevent deposit formation to maximize heat transfer Works in all medium and heavy duty diesel, gasoline, and natural gas engine applications Nitrite-free to provide excellent protection for CAB and cast aluminum alloys 2-EHA free formula ensures exceptional long term elastomer compatibility Eliminates the need for SCAs and chemically charged filters