MSD Ignition Box 6AL W/ Built In Rev Limiter PN 6420 Analog For Sale - New and Used

MSD 6AL Ignition Box w/ Built-In Rev Limiter (PN 6420) – AnalogCondition: Used | Fully Tested & Working PerfectlyUp for sale is a genuine MSD 6AL Analog Ignition Box (Part Number 6420) featuring a built-in adjustable rev limiter. This is a classic, highly reliable workhorse upgrade for street performance, drag racing, and track applications.This unit has been fully bench-tested and is guaranteed to be in good, 100% functional working condition upon arrival.📦 What’s Included

• MSD 6AL Ignition Box (PN 6420)
• Note: Wiring pigtails, mounting hardware, RPM Chip 7000 additional RPM chips are not included.

🔧 Key Features & Specs

• Part Number: 6420
• Type: Analog Multiple Spark Discharge (MSD)
• Rev Limiter: Built-in Soft Touch Rev Control (protects your engine from over-revving damage)
• Compatibility: Works on 4, 6, or 8-cylinder engines (requires minor loop cutting modifications on the side depending on your engine setup)
• Operating Voltage: 10-18 Volts (negative ground)

👍 Item Condition Details

• Tested & Verified: Thoroughly tested to ensure strong, consistent spark and reliable rev-limiter function.
• Cosmetic Condition: Used, good condition. Shows normal signs of wear from previous engine bay mounting (minor paint scrapes, cosmetic blemishes, or light scuffs), but has absolutely no structural damage. Please review all high-resolution photos for the exact cosmetic condition.
• Wiring: Wires are intact and of usable length, ready to be spliced or pinned into your vehicle\'s harness.

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