I have a brand new UPR tensioner & a brand new Gatorback 4080785 belt. Both were used for a mock-up only, never ran. $125.00+ shipping for tensioner & $25 shipped for the belt. I will try to get pics up later. Here is the link for the tensioner.
05 10 Ford Mustang Billet 3 Bolt Belt Tensioner Arm Pol | eBay
05 10 Ford Mustang Billet 3 Bolt Belt Tensioner Arm Pol | eBay