40 Below Radiator Treatment (32 oz.)

  • 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. 
  • NOTE: Shipping to Continental United States only. No P.O. Boxes. 
SKU: 530 4032



Categories: , UPC: 850026006193
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