Running redundant ignition systems provides peace of mind during long races, but swapping the coil wire to the backup ignition is a challenge — the MSD Automatic Coil Selector solves that problem.Specifications: Application: Race Product Type: Coil Selector Housing Color: Black Requirement: Must run 2 ignitions and 2 coils Warranty: Manufacturer's Limited 1 Year Warranty Part Number: 8210 Note: MSD 7 and 8 Series Ignitions cannot be used with the Automatic Coil Selector.FAQWhat does the MSD 8210 Automatic Coil Selector do?It automatically swaps the coil wire connection to a backup ignition system, allowing a redundant ignition setup for long races.What do I need to run this selector?Two ignition systems and two coils.Is this compatible with MSD 7 and 8 Series Ignitions?No, MSD 7 and 8 Series Ignitions cannot be used with the Automatic Coil Selector.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What does the MSD 8210 Automatic Coil Selector do?","acceptedAnswer":{"@type":"Answer","text":"It automatically swaps the coil wire connection to a backup ignition system, allowing a redundant ignition setup for long races."}},{"@type":"Question","name":"What do I need to run this selector?","acceptedAnswer":{"@type":"Answer","text":"Two ignition systems and two coils."}},{"@type":"Question","name":"Is this compatible with MSD 7 and 8 Series Ignitions?","acceptedAnswer":{"@type":"Answer","text":"No, MSD 7 and 8 Series Ignitions cannot be used with the Automatic Coil Selector."}}]}