This master meter is calibrated 70 pound an hour injectors. The one you see in the pic is the one you get. It was in good working order when I pulled it off the car.
But it has been sitting on my shelf for a long time pro flow is the same as pro-m you can contact pro-m To have recalibrated. Thank you for looking have a great day. The item "87-93 Ford Mustang 5.0L Pro M Pro Flow 77mm Mass Air Meter Sensor" is in sale since Saturday, August 11, 2018.
This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Fuel Inject. The seller is "atta_chri" and is located in Allen Park, Michigan. This item can be shipped to United States, Canada.