This is a genuine 1984-1987 C4 Corvette Right Rear Side Marker Light Assembly, manufactured by GM with the part number 16500584. It features two bulbs and is DOT-Certified. The assembly is designed for vintage Corvette models and is a perfect fit for the rear right placement on your vehicle. It utilizes incandescent lighting technology and is not a performance part. This product is made in the United States and is a great addition to your Corvette restoration project.