Brand New Correct for both big block and small block with chambered exhaust. Hanger kit for chambered exhaust includes the four hangers with clamps Reinforcement tabs for front hangers are included. All hangers are a correct reproduction of the originals The hangers are nicely zinc plated to resist rust and also give a great appearance! This kit is not correct for stock or dual exhaust. This kit works with the system we sell, and for OE factory pipes also.Anyone else's system may not be compatible. As per updated California Law (Prop 65) they ask sellers to put the following warning on listings. The item "Chambered Exhaust Hanger Kit, with Clamps 69 Camaro fit 67-68 Z28 or BB system" is in sale since Sunday, February 19, 2017. This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Exhaust". The seller is "drclassicauto" and is located in Warrenville, Illinois. This item can be shipped worldwide.