Restoring a classic GM car? This NOS (New Old Stock) headlight wiring harness routing clip is a tiny but important piece. Made by Midwest Muscle Car Specialties, part number 01. It's a brand new, vintage-style clip used to secure and route the headlight wiring harness on many Chevy, Oldsmobile, Pontiac, and Buick models from the muscle car era. These little clips often break or go missing over the years, leaving wires dangling. Using the correct clip keeps your engine bay looking factory-correct and organized. Perfect for concours-level restorations or just making your under-hood area neat. If you're putting your classic back together and want every detail right, don't overlook these small parts. A simple addition that shows you care about the details.