Yoaoo&reg; 2x OEM Allison Transmission 8.1 Hd 8.1l Vortec Badges Emblems Alloy for 2500hd 3500hd GMC Silverado Sierra Truck Black package include 2 pcs,chrome Made with high quality of Chrome Alloy material. LOGO 3D for 2006-2007 Chevrolet Silverado GMC Sierra Allison Transmission Duramax EMBLEM OEM Size: 7 1/2" * 3/4" (185mm*22mm)