E-Autogrilles Aluminum Black Horizontal Billet Grille for 03-05 Silverado/Avalanche Has been tested to have a perfect fit with the OEM grille, followed by extensive polishing. Made of 6062 Aircraft-Grade Aluminum Alloy 8mm Bar. Never Rust! Black powder coated. Persist in looking amazing for years. Horizontal bar style. Overlay Installation. All necessary hardware and instruction are included. Enables Easy and Quick Installation