Features and Benefits:

• Now there's a fast, easy way to read exhaust back pressure to help determine the extent of restriction.
• Simply insert the No. 7215 into the oxygen sensor hole.
• Large, easy-to-read gauge clearly shows pressure from 0-8 PSI.
• Specially designed tip provides more accurate pressure reading while stainless steel braided tube withstands high-heat engine conditions.
• A universal adapter is also included for vehicles with thermactor systems.
• For use on GM, Ford, Chrysler and imported vehicles.