Purple Ice is a high performance, synthetic, radiator coolant additive for both gasoline and diesel engines.

Royal Purple's Performance Advantages:

• Reduces Coolant Tension.
• Reduces Coolant Temperatures.
• Protects Aluminum Cooling Systems.
• Lubricates Water Pump Seals.
• Provides Corrosion Resistance - Passes ASTM Corrosion Tests.
• Works in both Gasoline and Diesel Engines.