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    Holley Sniper EFI HyperSpark 2 Ignition Box | 556-154

    Vendor: Holley EFI
    Part Number: 556-154
    Save $39.05
    Sale Price $348.95 Regular Price $388.00

    Currently out of stock.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    The HyperSpark 2 ignition box packs all the proven features of its predecessor into a smaller form factor, making it easier to mount for the cleanest installation possible. Paired with matching ignition coil PN 556-152, it delivers up to 150mj of spark energy, plenty to safely fire a Sniper EFI engine combination.

    Specifications:

    • Spark energy: 135mj to 150mj consistently, idle to redline RPM
    • Voltage range: Operates on most 7 to 28-volt electrical systems
    • Protection: Fully protected against open coil, shorted coil, and open load
    • Output: Tach output to drive an external tachometer
    • Includes: Ignition harness for fresh Sniper EFI installs adding timing control
    • Compatibility: Plug-and-play with existing HyperSpark installations or Sniper EFI HyperSpark main harnesses
    • Part Number: 556-154

    FAQ

    What ignition coil does this box pair with?

    Holley ignition coil PN 556-152, for up to 150mj of spark energy.

    Does this box include a wiring harness?

    Yes — it includes an ignition harness for fresh Sniper EFI installs that are simply adding timing control.

    What voltage range does it support?

    Most 7 to 28-volt electrical systems.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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