MSD 6421 Digital 6AL-2 Ignition Control

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This MSD 6421 Digital 6AL-2 is the standard of the Ignition Control industry! This unit delivers over 535 volts to the coil with up to 135mJ of spark energy for every firing! Coupl ed with a sleek low profile, all wiring is routed out one end of the unit through a sealed and locking connector for a clean installation. MSD relocated the rev limiter to the top of the housing for easy access to the four rotary dials that set the limit in 100 rpm increments. Inside the Digital 6AL-2, a microprocessor monitors and controls every firing and rev limit while pulling less current. Increased output combined with MSD's proven multiple spark series is a win-win situation! This ignition is compatible on 4-, 6-, as well as 8-cylinder engines with 12-volt, negative ground electrical systems. It will accept trigger inputs from breaker points, amplifiers, as well as magnetic pickups. Wiring harness, vibration mounts as well as all components needed for installation are included. MSD 6421 Digital 6AL-2 Ignition Control Features: Color: Red High output with 535 volts and 135mJ of spark energy Current Draw: .7 Amp per 1,000 RPM RPM Range: 12,500 with 14.4 Volts Secondary Voltage: 45,000 Volts Voltage Required: 12-18 Volts, Negative Ground All wires exit through a locked, sealed connector Efficient components use less current to produce more power Rev Limiter: Yes Timing Retard: None Data Acquisition: No Coil Included: No Length: 7.000 in. Width: 4.000 in. Height: 2.000 in. Compatible with 4-, 6- as well as 8-cylinder engines From street cruisers to Top Fuel dragsters, MSD's ignition systems have been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems. Show more