These tanks have a few dings (all pictured). Your Radiator shop can repair all that when they create your new radiator. Very hard to find GTO ONLY coded radiator tank cores. The item "66 67 PONTIAC GTO 4 CORE HEAVY DUTY COOLING RADIATOR TANKS HARRISON UM BE CODE" is in sale since Thursday, October 24, 2019.
This item is in the category "eBay Motors\Parts & Accessories\Vintage Car & Truck Parts\Cooling System". The seller is "classicjunkyard" and is located in Pine Grove, Pennsylvania. This item can be shipped worldwide.