Upgrading from kelsey hayes to???

The calipers that came with car hadn't been touched in years and will need a rebuild, so I figured instead of spending any money on rusty old junk I'd spend a few extra bucks and put high performance parts if there's an option to retain my existing parts and put a bracket and better calipers, by the sounds if it i will need to find a performance caliper that fits and make the brackets myself, I was just hoping someone could steer me towards the best calipers to take the k/h place

If you have them rebuilt with brass sleeves and stainless steel pistons you will be good for another 50 years with DOT 5 fluid. They are 4 piston fixed calipers. Very comparable to Willwood and others. As a system, they are light, and since they use the same brake pads as vintage Mustangs and Vettes, there is a good selection. Costly? Yes, but the complication factor is nil. I have a complete Viper caliper set up in a tote and don't feel the need to upgrade either of my 2 Barracudas yet. Your money and car.