MSD Digital 6 Plus Ignition Control Box with 2-Step Rev Limiter – Universal Fit

Description

The MSD Digital-6 Plus Ignition Control Box (Part #6520) delivers high-performance ignition power, precision control, and unmatched reliability for street or strip applications. Designed for racers and enthusiasts who demand accuracy and consistency, the Digital-6 Plus packs 135 millijoules of spark energy and 535 primary volts, ensuring a strong, consistent spark at every RPM. Its digital microprocessor constantly monitors voltage, timing, and RPM to provide unmatched ignition stability and output control.

Built to handle the demands of high-output and nitrous-assisted engines, the Digital-6 Plus features a single-stage retard for nitrous, a start retard to ease engine cranking, and a 2-step rev limiter for launch control and overrev protection. Compatible with 4-, 6-, or 8-cylinder engines using points, amplifier, or magnetic pickup triggers, this universal system ensures race-ready performance with plug-and-play versatility. Engineered by MSD for precision and durability, the Digital-6 Plus is the go-to ignition control for high-performance builds.

Features:

• Dual rev limiters adjustable in 100 RPM increments via rotary switch
• Delivers 135 mJ of spark energy with 535 primary volts output
• Single-stage retard for nitrous and top-end tuning control
• Start retard feature eases pressure on starter and flywheel
• RISC microprocessor for digital accuracy and fast response time
• Adjustable magnetic pickup compensation ensures trigger precision
• LED indicator displays trigger or charging system problems instantly
• Compatible with 4, 6, or 8-cylinder engines – universal application

Specifications:

• Brand: MSD Ignition
• Part Number: 6520
• Primary Voltage: 535 Volts
• Secondary Voltage: 45,000 Volts
• Spark Energy: 135 Millijoules
• Current Draw: 0.7 Amp per 1,000 RPM
• Operating Voltage: 12–18V DC (Negative Ground)
• RPM Range: Up to 12,500 RPM at 14.4 Volts
• Weight: 3.7 lbs

Included:

• (1) MSD Digital-6 Plus Ignition Control Box – Red Aluminum Housing
• (1) Wiring Harness Kit – Plug-and-Play Leads
• (1) Mounting Hardware Set – Stainless Steel

Fitment:

• Universal

Notes:

• 1 Year Limited Warranty

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