MSD Pro CDI 600 Ignition Coil Pack - Square - 0.064 ohm - Male HEI - 50000V - Red - GM LS-Series EZTS102BKP Engineered filter solutions are required

Engineered filter solutions are required to achieve protection with minimum restriction

Allows fan to pull more air through the radiator for increased cooling

1979-1985 GMC G3500

1980-1991 Pontiac Firebird

MSD Pro CDI 600 Ignition Coil Pack - Square - 0.064 ohm - Male HEI - 50000V - Red - GM LS-Series EZTS102BKP Engineered filter solutions are required***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