E-Autogrilles Aluminum Polished 4mm Horizontal Overlay Billet Grille for 03-06 Lincoln Navigator (1PC) (37-0101) Has been tested to have a perfect fit with the OEM grille, followed by extensive polishing. 6062 Aircraft-grade Aluminum alloy. 4mm bar width. Never Rust! Mirror Finish Polish. Persist in looking amazing for years. Horizontal bar style. Overlay Installation. All necessary hardware and instruction are included. Enables Easy and Quick Installation