Elevate your vehicle's performance with the MSD 5520 Ignition Box, a part of the acclaimed STREET FIRE brand. This digital CD ignition module is engineered to enhance efficiency and reliability, making it an ideal upgrade for your car or truck. The included rev limiter allows for adjustable engine revving, providing an extra layer of control and safety. With its OE/OEM part number 5520, this ignition box is designed for a seamless fit and easy installation. Manufactured in China, the STREET FIRE brand is synonymous with quality and durability, ensuring that this ignition module stands as a robust solution for your automotive needs.