Mounting hardware is not included or available from us. NOTE - Upper rear mount will not fit 71-72 455 HO, but all other pieces will. These brackets are designed for stock manifolds that have the front mounting boss for the "y" bracket is 2 in from the passenger-side head. The item "70-72 PONTIAC A/C Compressor Mount Brackets AC Air Conditioning Formula Trans-Am" is in sale since Wednesday, October 14, 2015. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Conditioning & Heat\A/C Compressor & Clutch".The seller is "**partsguy**" and is located in Tampa, Florida. This item can be shipped worldwide.