The nv4500 transmission is also popular among enthusiasts working on classic truck restorations, drivetrain swaps, and custom vehicle projects. Its five-speed configuration gives older trucks a modern-style overdrive option while retaining the engaging experience of a manual gearbox. The low first gear can improve launch performance and provide better control when carrying loads, while fifth-gear overdrive can make highway driving more comfortable. The NV4500 has been used in a wide range of truck applications, which has contributed to its popularity in the aftermarket. When installing one into a custom project, compatibility must be carefully considered.