These are custom built BOZE Forged "Friction" 2 piece, 6061 T-6 billet aluminum wheels. They are 20x10 and 20x8.5, 5x114.3 bolt pattern. Rear offset is 40, front is 28, as you can see in the pics they are set up nicely for the 2005-2012 Mustangs. They have a Gun Metal finish with a polished lip...