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Holley HP EFI 4bbl Throttle Body Fuel Injection Systems


Holley
Holley HP EFI 4bbl Throttle Body Fuel Injection Systems

Product images may differ from actual product appearance.

Replace your carburetor with a "Bolt on and Go" TBI system that also allows you to tune as well HP EFI throttle body kits are a direct replacement for a square flange carburetor. Plug and play connectors make installation a snap and by utilizing a laptop (or the optional 5.7" full color touch screen LCD) along with the HP's self-tuning capabilities, you will be up and running in no time. Come with most all parts necessary for a complete installation including throttle body, ECU, wiring harness and sensors. Fuel pump available separately to fit your requirements.

Click here for Holley HP Inline Fuel Pumps



13 Products
HP EFI Systems

510-550-411
HP EFI Throttle Body System
  • 75 lb/hr Injectors
  • Supports up to 525HP
    More info on Holley 550-411

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    MPG Installation Instructions for Holley 550-411
  • $1,855.95
    Order Today Ships 04/29/14

    510-550-412
    HP EFI Throttle Body System
  • 85 lb/hr Injectors
  • Supports up to 600HP
    More info on Holley 550-412

    Fits Applications
    • FREE
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    MPG Installation Instructions for Holley 550-412
  • $1,855.95
    Order Today Ships 04/29/14
    Universal Retro-fit

    510-550-500
    HP EFI Universal Retro-fit
  • 1000CFM
  • 4150 Carburetor style intake manifolds
    More info on Holley 550-500

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    • FREE
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    Installation Instructions for Holley 550-500
  • $2,010.95
    Order Today Ships 04/29/14

    510-550-501
    HP EFI Universal Retro-fit
  • 2000 CFM
  • 4500 carburetor style intake manifolds
    More info on Holley 550-501

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    Installation Instructions for Holley 550-501
  • $2,336.95
    Order Today Ships 04/26/14
    ECU & Harness

    510-550-600
    HP EFI ECU & Harness Kit
  • TBI 4 Barrel Holley
    More info on Holley 550-600

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  • $1,521.95
    Order Today Ships 04/29/14

    510-550-601
    HP EFI ECU & Harness Kit
  • GM TPI and Holley Stealth Ram
  • Includes HEI Adapter
    More info on Holley 550-601

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  • $1,575.95
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    510-550-602
    HP EFI ECU & Harness Kit
  • GM LS1
  • Uses Factory GM Coil Harnesses
    More info on Holley 550-602

    Fits Applications
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  • $1,630.95
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    510-550-603
    HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses
    More info on Holley 550-603

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  • $1,630.95
    Order Today Ships 04/29/14

    510-550-604
    HP EFI ECU & Harness Kit
  • Universal V8 Multi-Point Fuel Injection
  • Requires Ignition Adapter Harness
    More info on Holley 550-604

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  • $1,575.95
    Order Today Ships 04/22/14

    510-550-605
    HP EFI ECU & Harness Kit
  • Unterminated Universal Harness
  • Includes Universal Unterminated Ignition Adapter Harness
    More info on Holley 550-605

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  • $1,575.95
    Order Today Ships 04/29/14

    510-554-113
    HP EFI ECU ONLY
  • Required/Sold Separately-
    Complete System Wideband Oxygen Sensors/
    Main Wiring Harness/Injector Wiring Harness/
    Ignition Adapter Harness And Accessories
    More info on Holley 554-113

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  • $1,001.95
    Order Today Ships 04/29/14

    510-554-114
    Dominator EFI ECU ONLY
  • Required/Sold Separately -
    Complete System Wideband Oxygen Sensors/
    Main Wiring Harness/Injector Wiring Harness/
    Ignition Adapter Harness And Accessories
    More info on Holley 554-114

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  • $1,781.95
    Ships

    510-554-116
    Avenger EFI ECU ONLY
  • Required/Sold Separately-
    Complete System Wideband Oxygen Sensors/
    Main Wiring Harness/Injector Wiring Harness/
    Ignition Adapter Harness And Accessories
    More info on Holley 554-116

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  • $1,165.95
    Order Today Ships 04/29/14

    13 Products