MSD Pro CDI 600 Ignition Coil Pack - Square - 0.064 ohm - Male HEI - 50000V - Red - GM LS-Series - (Set of 8) H778C44 throttle response and idle qualityCircuitry

throttle response and idle qualityCircuitry is potted for a weather-proof housingWeathertight connectors protect wiring from water and chemicals

For production plugs

1969-1969 Mercury Comet

842 in diameter

MSD Pro CDI 600 Ignition Coil Pack - Square - 0.064 ohm - Male HEI - 50000V - Red - GM LS-Series - (Set of 8) H778C44 throttle response and idle qualityCircuitry***This coil comes with a 3rd terminal, and highly recommended to ground to cylinder heads, failure to properly ground can result in Ignition unit failure*** Capable of up to 50,000 Volts to ignite extreme cylinder pressures Over 200 millijoules of spark energy makes them ideal for use with methanol, ethanol, E85 and forced induction and power adder combinations Supplied with hardware to mount horizontal or vertical position Coils are designed to be