Enhance the look of your Monte Carlo Impala with these GM 10431663 interior roof rail courtesylamp retainers. These black steel rails are designed to be clip-on and require no drilling for easy installation. The matte finish adds a touch of elegance to your car's exterior. These roof rails are perfect for attaching to the upper, rear, lower, left, front, or right of your vehicle. They are OE/OEM part number 10431663 and manufactured in the United States. Universal fitment is not available for these rails. Upgrade your car's interior with these high-quality roof rails from GM. Exact item set is shown. Genuine GM parts with original packaging in fair condition. Clip dimensions 7/8x7/8x5/8 inches. Made in USA. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties. Last Call on these.