This protects the coil’s internal components from high and low frequency vibrations that are commonly experienced in racing. Our Blaster Coils are designed for improved spark output! Mallory Unilite applications also require the ballast resistor.
MSD HVC High Vibration Ignition Coil #8222 NASCAR Legal Whelan IMCA IHRA NHRA
MSD Blaster 0.7 Ohm High Vibration Ignition Coil - 8222
MSDHVC Blaster Ignition High Vibration Coil PN 8222 NASCAR IMCA UMP Wissota
MSD #6600 Black HVC Professional Race CD Ignition Box High Vibration Style