Skip to content
  • Facebook
  • Instagram
  • YouTube
  • TikTok
  • LinkedIn
  • Shop by ECU
  • Shop by Engine
  • Add-On Harnesses
  • Accessories & Components
  • Custom Manufacturing
  • More
Login
  • Facebook
  • Instagram
  • YouTube
  • TikTok
  • LinkedIn
Search
Jolt Systems
  • Shop by ECU Shop by ECU
  • Shop by Engine Shop by Engine
    • Godzilla

    • F-Body

    • 6.2 Boss

    • Coyote

    • LSX

    • Hemi

  • Add-On Harnesses Add-On Harnesses
    • Ignition Harnesses

    • Intercooler Pumps

    • Drive by Wire

    • Power Harnesses

    • Injector Harnesses

    • E85 EZ Flex Fuel

    • Holley Wideband O2 Sensor

  • Accessories & Components Accessories & Components
    • Switch Panels
      • All

      • Roll Bar Mount

      • Vehicle Specific

    • Sensors & Inputs

    • Ignition & Outputs

    • Loggers Displays & Gauges

    • Tool & DIY

    • Connector Kits

  • Custom Manufacturing Custom Manufacturing
    • Private Label Performance

    • Ag + Industrial

    • Custom Motorsports

  • More More
    • Apparel and merch

    • Blog

    • Garage Sale

Search Login
Cart

Your cart is currently empty.

Not sure where to start?
Try these collections:

  • Continue shopping
    Order special instructions
    Estimate shipping
    Discount
      Taxes and shipping calculated at checkout
      Subtotal
      $0.00 USD
      Recently viewed
      Search

      Home Search Shop
      Account

      Holley-Compatible Injector Harnesses

      Filter and sort
      Filters
      Sort by:
      Featured Sort by
      EV1 Injector Harness Compatible with Holley EFI

      EV1 Injector Harness Compatible with Holley EFI

      $152.95
      EV6 EV14 Injector Harness for Holley EFI

      EV6 / EV14 Injector Harness Compatible with Holley EFI

      $139.95
      Multec Injector Harness for Holley EFI Early GM Truck

      Multec Injector Harness for Holley EFI (Early GM Truck)

      $138.95
      Bosch 210 Denso Injector Harness for Holley EFI

      Bosch 210 Denso Injector Harness for Holley EFI

      $137.95
      Save 10%
      FIC 3000cc Injector Harness for Holley EFI

      FIC 3000cc Injector Harness for Holley EFI

      Sale price$125.06Regular price $138.95
      Upgraded EV1 Injector Harness for Holley EFI

      Upgraded EV1 Injector Harness for Holley EFI

      $199.95
      Plug-and-Play Driver Module Harness Kit for 8 Injectors

      Plug-and-Play Driver Module Harness Kit for 8 Injectors

      From $329.95
      Plug-and-Play Harness Kit for 16 Staged Injectors Holley Dominator

      Plug-and-Play Harness Kit for 16 Staged Injectors - Holley Dominator

      From $174.95
      Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors

      Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors

      From $299.95

      Jolt Systems

      Information
      • Search
      • Contact Us
      • FAQ
      • Terms of Sale
      • Shipping Policy
      • Refund policy
      • Terms of Service
      • Careers

      Sales@JoltSystems.net

      Stay in the loop with our monthly newsletter

      • Facebook
      • Instagram
      • YouTube
      • TikTok
      • LinkedIn
      © 2026 Jolt Systems. Powered by Shopify
      • Refund policy
      • Privacy policy
      • Terms of service
      • Shipping policy
      • Contact information
      • Amazon
      • American Express
      • Apple Pay
      • Bizum
      • Diners Club
      • Discover
      • Google Pay
      • Mastercard
      • PayPal
      • Satispay
      • Shop Pay
      • Visa
      • Choosing a selection results in a full page refresh.
      • Opens in a new window.