64233 Ultra 6AL Ignition Control Box Kit [Black]
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-64233K

64233 Ultra 6AL Ignition Control Box Kit [Black]

$1,03775
ShippingShips on Nov 02, 2026
Lowest PriceLowest Price Guarantee

Performance
Ultra 6AL Ignition Control Box Kit
  • Includes:
    • Black Ultra 6AL Ignition Control Box
    • Black Chevy V8 Pro Billet Distributor
    • Black 8.5MM Spark Plug Wire Set
    • Blaster 2 Canister Ignition Coil
    • Ignition Coil Bracket

      MSD 64233 Black Ultra 6AL Ignition Control Box Kit Includes:

      • (1) Black MSD Ultra 6AL Ignition Control Box 64233
      • (1) Black MSD Chevy V8 Pro Billet Distributor 85557
      • (1) Black MSD 8.5MM Spark Plug Wire Set 31223
      • (1) MSD Blaster 2 Canister Ignition Coil 82023
      • (1) MSD Ignition Coil Bracket 8213
    • High-Output Ignition Boxes for Maximum Spark Energy

      MSD 6-Series Ignition Boxes set the standard for quick starts, increased power, smooth idle, crisp throttle response, and reduced spark plug fouling. MSD Ignitions Boxes are available in several styles and install easily in multiple applications.

      Show More

      Unlock the true potential of your engine with the MSD 6-Series Ignition Control Boxes, a trusted choice for performance enthusiasts and racers alike. Whether you're cruising on the street or running hard at the track, the MSD 6-Series delivers the high-energy spark needed for complete combustion and maximum horsepower.

      Built with reliability and power in mind, the MSD 6 Series ignition boxes feature capacitive discharge (CD) technology that produces multiple sparks during the combustion cycle, resulting in smoother idling, quicker starts, and improved throttle response. This multi-spark feature is especially beneficial at lower RPMs, ensuring more efficient fuel burn and fewer misfires.

      The MSD 6 Series Ignition units are housed in a durable, vibration-resistant aluminum case that’s ready for the rigors of street or strip. Easy to install and compatible with a wide range of engines and distributors, this versatile ignition box is a go-to upgrade for those looking to enhance overall engine performance.

      Whether you're running naturally aspirated or forced induction, the MSD 6 Series Ignition Control gives you the confidence of consistent spark delivery at high RPMs, helping your engine perform at its peak when it matters most. With several models available—including options for street, marine, and racing applications—there’s a 6-Series box tailored to your build.

      Choose MSD for proven ignition technology that boosts performance, improves efficiency, and ensures your engine fires strong every time.

      The MSD 6 Series Ignition Control Boxes are a cornerstone upgrade for performance enthusiasts seeking stronger spark energy, improved combustion efficiency, and reliable high-RPM performance. Designed to deliver multiple sparks at lower RPM and a powerful single spark at higher engine speeds, MSD 6 Series Ignition Control Boxes help maximize horsepower, throttle response, and overall ignition stability. Whether you’re building a street-driven muscle car or a dedicated drag racing machine, upgrading your ignition system is one of the most effective ways to improve engine performance and reliability.

      A high-performance ignition control box ensures a more complete fuel burn, which translates to smoother idle quality, quicker acceleration, and reduced misfires under load. For modified engines with increased compression ratios, aggressive camshafts, or forced induction, a robust ignition system is essential.

      Performance Benefits & Key Features

      MSD 6 Series Ignition Control Boxes are engineered to provide capacitive discharge ignition (CDI), delivering high-voltage spark output and consistent performance across the RPM range. Performance enthusiasts often evaluate ignition systems based on spark energy, rev limiter capability, wiring compatibility, and durability. The multiple spark discharge feature enhances combustion at lower RPM, improving drivability and fuel efficiency in street applications.

      These ignition control boxes are built with rugged housings to withstand vibration, heat, and demanding driving conditions. Adjustable rev limiting functions help protect engines from over-revving, making them ideal for both street performance and competitive racing environments. Improved spark intensity supports stronger combustion in high-compression and boosted engine combinations, contributing to enhanced torque capacity and throttle response.

      MSD 6 Series units are commonly used in street performance builds, drag racing cars, circle track applications, and classic muscle car restorations seeking modern ignition reliability.

      Fitment, Compatibility & Applications

      MSD 6 Series Ignition Control Boxes are compatible with a wide range of GM, Ford, and Mopar engines when paired with appropriate distributors and ignition components. Popular applications include Chevrolet Camaro, Chevelle, Ford Mustang, Dodge Challenger, and various small block and big block V8 platforms.

      Designed to integrate with aftermarket distributors and performance coils, these ignition systems provide flexibility across carbureted and select EFI applications. Proper installation ensures seamless compatibility and optimal performance gains.

      If you’re ready to strengthen your ignition system and unlock consistent high-RPM power, explore the MSD 6 Series Ignition Control Boxes at JEGS and equip your build with proven ignition technology trusted by performance enthusiasts worldwide.

    Part TypeIgnition Box
    Product LineMSD 6-Series Ignition Control Boxes
    BrandMSD IGNITION
    Current Draw0.8 amps per 1,000 rpm
    Adjustable Rev LimiterYes
    Rev LimiterYes
    QuantitySold as a Kit
    Secondary Voltage45,000 Volts
    Data AcquisitionNo
    CircuitryDigital
    Rpm15,000
    Coil IncludedNo
    Minimum Operating Voltage12 V
    Ignition Box OutputCapacitive discharge
    Cd Voltage Output To Coil520-540 V
    Ignition Box ColorBlack
    Maximum Operating Voltage15 V
    Vendor Part Number64233K
    Package Qty1
    Package TypeEA

    Items You Need

    Spark Plug Wire Separators Black

    JEGS

    Spark Plug Wire Separators Black

    Part Number : 555-40320
    $2039$22.99
    You Save$2.60
    Spark Plug Wire Separator Kit Black

    JEGS

    Spark Plug Wire Separator Kit Black

    Part Number : 555-40360
    $399$4.99
    You Save$1.00
    Spark Plug Wire Loom Kit Black

    JEGS

    Spark Plug Wire Loom Kit Black

    Part Number : 555-40365
    $1299$14.99
    You Save$2.00
    Digital Inductive Timing Light [9-16 Volt]

    JEGS

    Digital Inductive Timing Light [9-16 Volt]

    Part Number : 555-40750
    $4899$53.99
    You Save$5.00
    Digital Multimeter

    JEGS

    Digital Multimeter

    Part Number : 555-W2974
    $2209$23.99
    You Save$1.90
    Wire Crimping Pliers and Stripping Tool

    JEGS

    Wire Crimping Pliers and Stripping Tool

    Part Number : 555-80575
    $1399$15.99
    You Save$2.00
    61-Piece Heat Shrink Tubing Kit [Black]

    JEGS

    61-Piece Heat Shrink Tubing Kit [Black]

    Part Number : 555-10630
    $2699$29.99
    You Save$3.00
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!