The ignition coil is one of the most critical components of any ignition system. When properly matched to the ignition controller’s output, the ignition coil ensures optimum performance and reliability. Our Smart Coil™ instruments are patented, and are used with IntelliSpark® Control Technology to provide real time diagnostics and prognostics. Also offered are coils for direct replacement of Altronic coils. All Murphy coils are manufactured with the highest quality of construction for long life durability.