For 4/6 Even Fire/8 cyl. Engines
MSD Ignition - Digital-6 Plus Digital Ignition Controller P/N 6520 Features:
- Switch between 2 rev limits
- Single stage retard for nitrous and top end performance.
- Start retard eases pressure on the starter; flywheel and engine.
- Adj. magnetic pickup compensation for accurate trigger signals.
- LED warns of trigger signal problems or faulty charging system.