Genuine MSD Ignition 6AL Multiple Spark Discharge ignition control box, Part No. 6420.
Tested working unit. Popular among drag racing, hot rod, muscle car, street performance, and custom engine builds. Features: * MSD 6AL ignition control module * Part #: 6420* Multiple Spark Discharge technology * Original red finned housing * Wiring harness attached * Tested working * Serial number present Condition: Tested working condition. Estate-found with visible cosmetic wear, dust, and normal age/use marks visible in photos. Wiring harness attached. Please review photos for cosmetic condition.