The blaster coils share the same special windings and high voltage output but do not include a ballast resistor. When you are using an MSD Ignition control, the ignition is responsible for delivering the voltage to the coil so a ballast resistor is not necessary.

Established in 1970, MSD is a highly-regarded developer and manufacturers of top-quality ignition controls, distributors, ignition coils, and other essential accessories that aim to optimize the functionality of an ignition system. Whether it be super speedways, road courses, land speed racing, conventional hot rods, or any other motorsports application, MSD has always found the means to produce the precise parts and accessories that shape the way a vehicle performs. The company is reliable when it comes to products that work and communicate together to ensure maximum performance and excellent value.

As the engineers responsible for the first multiple-spark discharge ignition control box, MSD consistently evolves and provides the most progressive in performance ignition technology. The company continues to adapt and expand to accommodate the needs of the time, creating upgrades that exceed expectations and are easy to install. Regardless of the challenges and competitions your engine faces, the inimitable performance products by MSD are sure to be the ideal solutions for a dominant victory.