I would reach out to him, bargain setup :
https://www.camaro5.com/forums/showthread.php?t=395103
His setup:
Brakes
-C7 Corvette ZO6 Non-Carbon Ceramic Front Calipers w/ Vented Pistons, repainted red with G2 Epoxy Caliper Paint. Custom 1LE and Brembo decals
-DBA 5000 Series Rotor Rings, For C7 Corvette ZO6 Non-Carbon Ceramic, Part # 52770.1, Right and Left, Reuse of ZL1 Rotor hat
-Goodridge Front & Rear ZL1 Brake Hose Kit
-Chevrolet Performance Z/28 Front Brake Ducts and Quantum Rotor Duct Kit with custom intake at existing fog light trim bezels
-DOT 4 Castrol SRF Brake Fluid
-Raybestos ST43 Racing Brake Pads
-Girodisc Titanium Front Caliper Shims
But yes, heavy track goers use girodisc rotors w/ existing z/28 calipers