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    Sale!

    Holley EV6 Unterminated Injector Harness Kit, 8-Cylinder, Universal | 558-216

    Vendor: Holley EFI
    Part Number: 558-216
    Save $20
    Sale Price $158.95 Regular Price $178.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    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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    This EV6 unterminated injector harness kit includes everything needed to build a custom, cut-to-fit EV6 injector harness for an 8-cylinder engine. A quality metripack crimping tool (Holley 567-102) is available separately to complete the job.

    Specifications:

    • Harness Type: Injector
    • Harness Application: Universal
    • Contents: 8x EV6 injector connectors with 36 in. of 20-gauge colored flying leads per connector
    • Includes: 10x pins and seals
    • Includes: 1x 10-pin metripack female connector and TPA to mate with a Holley EFI main harness
    • Part Number: 558-216

    FAQ

    How many cylinders does this harness kit support?

    It's designed to build a custom EV6 injector harness for an 8-cylinder engine.

    Does it come pre-terminated?

    No, it's unterminated — connectors, pins, seals, and flying leads are included so it can be cut and crimped to fit your install.

    What connects it to my main harness?

    A 10-pin metripack female connector with TPA is included to mate with a Holley EFI main harness.

    What tool do I need to crimp the connectors?

    A quality metripack crimping tool, such as Holley part 567-102, sold separately.

    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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