Provides superior heat transfer and excellent protection against corrosion, cylinder-liner cavitation, freezing and boil-over. Compatible with all other antifreeze and coolant colors and all plastics and elastomers (hoses, gaskets, etc.) found in cooling systems. Provides superior protection for aluminum, steel, cast iron, copper, brass and solder alloys.

Outstanding Cooling-System Protection

• Superior heat transfer
• Excellent protection against corrosion, cylinder-liner cavitation, freezing and boil-over
• Virtually eliminates scaling problems
• Maximum protection in extreme temperatures and operating conditions
• Long-lasting protection for up to 1,000,000 miles, 20,000 hours or 8 years, whichever comes first, in heavy-duty and off-road applications

AMSOIL Resists Corrosion

In third-party, industry-standard testing, cast-iron and copper plates protected by AMSOIL show virtually no signs of corrosion.^HH