Direct Replacement, Premium Performance 2-Piece Rotor Upgrade Purpose-Cast with Increased Mass in Friction Area for Better Heat Absorption Directional/Curved Vane Design to Maximize Air Flow for Better Heat Dissipation Black Anodized, 6061-T6 Billet Aluminum Hat Premium NAS Stainless High-Grade hardware Fits 2016-24 Chevy Camaro SS w/J6G Package and SS 1LE w/J6M Package. The Baer EradiSpeed+, 2-piece rotor upgrade features a premium, purpose-cast rotor mounted to a black anodized, 6061-T6 aluminum hat with NAS aircraft grade hardware. Eradispeed+ rotors are manufactured from quality iron materials with increased mass in the friction area and have a curved vane design designed providing greater air flow and improved heat dissipation to outperform the factory units they replace. Each Eradispeed+ is finished with a slot, drilled and zinc-plated finish for a pleasing cosmetic appearance. The EradiSpeed+ is a direct-bolt-on system with simple installation and no bleeding of the brakes.. Ships in 1 Box