UPR - Pro-Street Double Adj Upper & Upper Mount (fits 11-14 Mustang) - 2001-112

Question: Do I really need adjustable upper control arms?
Answer: It depends on what your intentions are with the car. When you lower a car the pinion angle changes, which can introduce vibrations in the driveshaft and or put the pinion angle out of it's optimal range depending on how much the car is lowered. You can also adjust pinion angle depending on the type of tire you are using at the track

Question: What does double adjustable mean?
Answer: Single adjustable arms have to be unbolted front one end in order to adjusted. Double adjustable means you can adjust the length while the arm is bolted into place.

Question: Are there any modifications needed to install the 3rd link?
Answer: None at all. This mount is a direct replacement for the factory one and will bolt right in.