MSD 6520 - Digital 6-Plus Ignition Control

Features:

• Switch between two rev limits that adjust with rotary switches in 100 rpm increments.
• Single stage retard for nitrous and top end performance.
• Start retard eases pressure on the starter, flywheel and engine.
• Adjustable magnetic pickup compensation produces accurate trigger signals.
• LED display warns of trigger signal problems or faulty charging system.