Log In
Search suggestions

    My Vehicles

    1978 Opel Opel Isuzu Deluxe 1.8L 2BL SOHC 4cyl

    My Store

    1720 S RIDGEWOOD A
    (386) 427-1210

    CLOSED Open at 7:30 AM

    Save 20% On Orders Over $100

    Use Code: HOLIDAY20

    See Details

    Get A $25 AutoZone Gift Card

    Use Code: HOLIDAY25

    See Details

    MSD/6HVC-L professional race ignition control

    Not Vehicle Specific
    Part Number: 6631
    Order in Store
    Special Order
    Ships within 1 business days.
    Price: $530.99
    Hot Deals & Savings
    FREE Shipping
    On orders $75 or Greater and FREE Shipping to APO, FPO, DPO addresses. See Details
    Features & Benefits

    Professional race teams have been relying on the power and endurance of our 6 HVC ignition control and will be excited to see the addition of a rev limiter! The 6 HVC-L ignition has a built-in rev limiter that will save the engine from overrev damaged caused by spins, missed shifts or driver misfortune. This means there is no need to mount an external rev control (I.e., less wiring and reduced weight)! The advanced component design and circuitry of the 6 HVC ignitions produce incredible voltage with high current output. Internally there is an efficient heat sync, solid component mounting and it’s all encased in a clear epoxy. The RPM limit is adjustable with plug-in modules and the wiring is routed into NASCAR approved Deutsch style MSD connectors.

    • Multiple spark, capacitive discharge ignition control
    • Designed for professional racing applications that demand high RPM for long periods of time
    • Clear epoxy potting compound for vibration protection and clear base plate for easy tech inspection
    • 6-pin Weathertight connector, mandatory for NASCAR use
    • Special 4-pin connector to plug directly into the MSD soft touch rev control PN 8738 or soft touch engine control PN 8968
    • Multiple sparks for 20 degrees of crankshaft rotation
    Product Details
    Part Number: 6631
    Weight: 4.5 lbs
    Type: Ignition Control
    Category: Race
    Connector / Terminal Configuration: Ring Lugs, 2 PIN connectors
    Item Grade: High Performance
    Package Contents: Ignition Control with wiring, hardware, Installation and warranty instructions.
    Product Condition: New
    Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
    This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
    • Overall

      MSD/6HVC-L professional race ignition control

      Please wait while we perform your request.

      There are currently no reviews for this product. To be the first to review this product, Login or Register

      Please wait while we perform your request.
      Select reviews which match your interests.


      Buy With Confidence


      Buy online and return core parts to the store to be refunded the price.
      Core Parts Policy

      Core return policy


      On Orders $75 or Greater
      and free shipping to APO, FPO, DPO addresses.
      Get More Details

      Free shipping policy


      Buy Online, Return
      Get More Details

      Return anywhere


      Save time by buying online and picking up items in store.
      Learn More

      Same day store pickup
      AutoZone Logo