Speedway 16 Lb. Thermocap Radiator Cap

The built-in calibrated thermometer on this chrome-plated 16 lb. radiator cap makes it easy to check your coolant temp - and to know when its safe to remove the cap. Fits radiators on most domestic vehicles.

• Helps to prevent burn injuries
• Integrated coolant reclamation valve works great with your coolant recovery system
• Your radiator can reclaim coolant from your overflow bottle
• Wide 30° to 270° F temperature range
• Calibrated in centigrade and Fahrenheit
• Color-coded temperature ranges
• Chromed crown with a colored trim ring

Learn more about cooling systems, how to choose the proper pressure cap, and how they work by reading our tech article. Cooling System Principles.