Top off your Ford or GM ignition system with these great new replacement coils. The blaster TFI and GM coils have MSD Performance in factory style housings. Each coil has a unique turns ratio plus there is lower primary resistance than the stock coil. This all amounts to a bolt in replacement coil that produces more output voltage. The coils will work with stock ignition systems as well as MSD equipped cars and trucks. Installation tip if you plan to install an MSD Ignition with your blaster TFI coil, use a PN 8874 harness for a direct plug in installation. For the blaster GM coil, use a PN 8876 harness. Also available blaster GM dual connector coil PN 8226. Model # 8227 Features: Designed to work with stock ignition systems as well as mad-equipped cars and trucks Each coil has a unique turns ratio plus reduced primary resistance Bolt-in replacement coil produces increased output voltage If you plan to install an MSD Ignition with your blaster Ford TFI coil, use a PN 8874 harness for easy plug-in installation.
