Bosch high performance ignition coils are well know for their high quality, reliability and performance. Both are for use in ignition systems using either points or electronic modules with points type dwell. The Bosch “Blue” coil is a non ballasted coil which requires a 12v supply and is ideal for 4 and 6 cylinder applications whilst the Bosch “Red” ballasted coil is for use with a ballast resistor to provide increased energy whilst cranking and is suitable for up to 8 cylinder applications.
Coils are supplied without clamps which are available separately