Chevrolet Performance Black Crinkle Wire Looms are positioned along the valve cover to hold the wires (up to 8mm) in a neat parallel arrangement, using the existing valve cover mounting bolts, the epoxy-coated Black Bowtie with red trim Emblem is centrally located for maximum visibility. The wire holders are opened and closed individually with a patented nylon wedge to permit the tops to have a smooth surface free of screw holes. Manufactured under U.S. design patents 298,798; 284,262; 311,487. Sold in pairs.