A 13mm socket will fit better as all the nuts/bolts on the focus are metric. But somthing is telling me mine were 10mm...?????? I can't remember.
And please remember not to take all 3 nuts off each side. Just the 2 for the strut bar to attach to. If all 3 come out and you jack the car you got another whole job on your hands.
I belive that it wont fit because of the PZEV engine design. I believe that was mentioned by dan and chelly.. check with em... but i think you can get one for yor car still...
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It's not about what you have under the hood, it's about who you have behind the wheel...
If your talking about the one from Focus Central, I did not have to jack up the front end. Then again Ford installed mine. I had ordered mine from Tony D. http://www.newedgeperformance.com