MSD Pro 600 CDI Ignition Control Module - 8 Channel - Coils/Harness - Red - Holley EFI System 3552024-155-XXL but these are not OE

but these are not OE manufactured bumpers

Knob and Stick Included

72 in Diameter

Includes O-Ring

They can be used to restrict lateral movement of any axle tube bracket

MSD Pro 600 CDI Ignition Control Module - 8 Channel - Coils/Harness - Red - Holley EFI System 3552024-155-XXL but these are not OENHRA APPROVED! All necessary wiring harnesses included Continuous 600 mJ operation without risk of failure from overheating High efficiency Alternating Current (AC) power delivery means less voltage draw from your battery or charging system Over 50 Kilovolts output voltage when used with MSD suggested coils Spark duration of greater than 300 microseconds 6 Volts minimum required for starting and running 12 Volts minimum required for 600 mJ opereation