The Voltage Regulator Switches (VR-125 INTERCHANGE) are designed specifically for Dodge cars and trucks from 1977 to 1991. These switches are voltage regulator type and come with a 1-year manufacturer warranty. The pack quantity is 1, making it a single unit part. It is not considered a performance part, but a crucial component for maintaining the proper functioning of the vehicle's electrical system. With the brand assurance and compatibility with the specified vehicle models, these voltage regulator switches are a reliable choice for car and truck owners in need of a replacement or upgrade.