1986 to 2009 GM DIS Waste Spark Twin Tower Coil – FC-GM-TT-DIS

FireCore’s Twin Tower Coil for GM 1986-2009 DIS Waste Spark and Aftermarket Performance Ignition Systems. It is a direct bolt-on and plug-in to the factory ignition module bracket. Resistance and inductance values have been optimized to increase output at higher RPM levels. High temperature epoxy resists shock and vibration while providing excellent thermal conductivity ensuring long service life. 4 cylinder engines require two (2) coils, 6 cylinder engines require three (3) coils and 8 cylinder engines require four (4) coils.