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Extreme Duty 6ALN Circle Track Ignition Control
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MSD IGNITIONPART NUMBER: 121-6430

Extreme Duty 6ALN Circle Track Ignition Control

$50295$559.95You Save$57.00
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Circle Track & Road Racing
    Extreme Duty 6ALN Circle Track Ignition Control
  • Per Spark Energy: 105-115 mJ
  • Built-in Rev Limiter with RPM Modules
  • CARB Approval: Non-Emissions Controlled
  • Red
  • NASCAR-Approved Connectors
  • Targeted for NASCAR and Off-Road Racing

    The MSD 6ALN was designed with NASCAR and Off-road racers in mind... in fact, this capacitive discharge high-power ignition is approved by NASCAR! It features the mandatory 6-pin weathertight connector that meets NASCAR ignition wiring rule 20-6.1. The connector provides a tight, positive lock-ing connection with individual seals to keep dirt and moisture away from each connection. All of the MSD's primary wiring meets MIL-86A specifications with special tinned conductors for superior crimps. Inside the strong cast aluminum housing, the multiple sparking CD circuits are encased in a clear two-part silicone elastomer for the ultimate in vibration protec-tion. A special clear baseplate is also installed for easy tech inspection.

    Highlights
  • Designed for Circle Track racing with NASCAR-mandated 6-pin weathertight connector
  • Clear epoxy potting compound for extreme vibration protection
  • Circuit board is encased in a clear two-part silicone elastomer
  • Clear plastic base for easy tech inspection
  • Soft Touch Rev Control is adjustable with RPM modules
  • Accepts breaker points, amplifier, and magnetic pickup trigger inputs
  • No CARB Exemption Order Number

    Operating Specifications
  • Spark Energy: 105-115 mJ per spark up to 15,000 RPM
  • Primary Voltage: 460-480 volts
  • Secondary Voltage: 45,000 volts (tested with Blaster Coil)
  • Spark Series Duration: 20° crankshaft rotation
  • RPM Range: 15,000 RPM with 14.4 volts
  • Voltage Required: 12-18 volt electrical systems
  • Current Draw: 1 amp per 1000 RPM
  • Size: 8" L x 4" W x 2.25" H
  • Weight: 5.1 lbs




  • Multiple spark, capacitive discharge ignition control
  • Supplied with 3,000, 6,000, 7,000 & 8,000 RPM Modules
  • Supplied with rubber shock mounts
  • Programmable for 4, 6, or 8-cylinders by cutting red/blue wire loops
  • 110 millijoules per spark up to 15,000 RPM
  • 470 primary voltage output to coil
  • Accepts breaker points, amplifier and magnetic pickup trigger inputs
  • Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeIgnition Box
BrandMSD IGNITION
Package Height3.0
Package Width8.0
Package Length11.0
Weight4.4 PG
Part CategoryPerformance Parts
Ignition Box OutputCapacitive discharge
Rev LimiterYes
QuantitySold individually
Cd Voltage Output To Coil460-480 V
Spark Output (Millijoules)115 Millijoules
Part FitmentUniversal
Ignition Box ColorRed
Rpm8,000
Vendor Part Number6430
Package Qty1
Package TypeEA
No Questions
No Reviews

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