Brand MSD Ignition
Manufacturer's Part Number 6520
Part Type Ignition Boxes
Product Line MSD Digital-6 Plus CD Ignitions
Ignition Box Output Capacitive discharge
Circuitry Digital
Rev Limiter Yes
Timing Retard One-stage
Data Acquisition No
CD Voltage Output to Coil 535 V
Current Draw 7.4 amps at 10,000 rpm
Spark Output (millijoules) 135 Millijoules
Minimum Operating Voltage 7 V
Maximum Operating Voltage 18 V
Length (in) 8.500 in.
Height (in) 2.250 in.
Width (in) 4.500 in.
Ignition Box Color Red
Coil Included No
Warranty 1-year
Quantity Sold individually.
Notes Works with both even and odd-fire V6.

MSD has combined race-winning experience with leading-edge technology to offer these incredible Digital-6 Plus ignitions. The 15 MHz micro-controller can analyze up to 15,000,000 critical instructions per second! That's over three times faster than comparable ignitions. Every spark is packed with 135 millijoules of spark energy and 535 V of power. Built-in features on the MSD Digital-6 Plus ignition include two rotary switch adjustable rev limiters, a single-stage timing retard, a start-up timing retard, an LED fault display, EMI protection, and much more! You get complete combustion for greater power, quicker throttle response, smoother idling, and quicker starts. You always get more power with less current draw.