Some of the greatest dyeable white nylon and hop-up parts made by CRP, Parma, Pro-Line, Tamiya, and others in the 1980s are starting to yellow and weaken, becoming brittle. However, there are easy ways to restore their strength, flexibility, and vintage white color. We dig deep and show you exactly how to bring your vintage radio controlled model vehicle hop-ups back to life and looking just like new in this episode of the RC Deep Dive podcast.