STOPS OVERHEATING Reduces water temperature up to 40°F. Keeps temperature under control while drafting, racing, sitting in the pits, in traffic, cruising, towing, climbing, or running with restricted air flow. 32 oz. bottle. 40 Below radiator treatment reduces coolant temperature up to 40 degrees. Originally developed for NASCAR racing conditions. 32 Oz. bottle.

• Keyser Manufacturing’s 40 Below coolant additive is designed to reduce temperatures by up to 40 degrees F.
• The additive maintains coolant temperature between 180-210 degrees F when (1) 32 oz. can is added to a full system (mixture of 80 percent distilled water/20 percent ethylene glycol).
• 40 below can be used with anti-freeze, but for best results use without.
• Under no circumstances should you ever use or mix with Dexcool
• 40 Below works wonders in your street rod, RV, race car or anything with a high performance motor.
• 32oz can

Air Restricted.