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Holley HP EFI 4bbl Throttle Body Fuel Injection Systems


Holley
Holley HP EFI 4bbl Throttle Body Fuel Injection Systems

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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

Click here for Holley Dominator Inline Fuel Pumps


10 Products

HP ECU Only

Holley 554-113 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
510-554-113
HP EFI ECU ONLY
  • Drives Up to 16 Low or High Impedance Injectors
  • 8 Channel DIS Coil Outputs
  • Plug & Play Control of GM 24x/58x LSx engines
  • 4-Stage Progressive Nitrous/Boost Control
  • FREE
    SHIPPING
    & HANDLING!
    $1,120.95
    Order Today Ships 05/02/16

    Touch Screen Control Upgrade

    Holley 553-108 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-553-108
    3.5'' LCD Full Color Touch Screen Control Upgrade
  • Allows Laptop-free Tuning Changes
  • Dynamic Range of Tuning and Data Monitoring
  • Use with all Holley Terminator, HP, and Dominator EFI Systems
  • FREE
    SHIPPING
    & HANDLING!
    $251.95
    Ships

    Universal Retro-fit

    Holley 550-500 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-500
    HP EFI Universal Retro-fit
  • 1000CFM
  • 4150 Carburetor style intake manifolds
  • FREE
    SHIPPING
    & HANDLING!
    $2,165.95
    Order Today Ships 05/02/16
    Holley 550-501 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-501
    HP EFI Universal Retro-fit
  • 2000 CFM
  • 4500 carburetor style intake manifolds
  • FREE
    SHIPPING
    & HANDLING!
    $2,516.95
    Order Today Ships 06/15/16

    ECU & Harness

    Holley 550-601 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-601
    HP EFI ECU & Harness Kit
  • GM TPI and Holley Stealth Ram
  • Includes HEI Adapter
  • FREE
    SHIPPING
    & HANDLING!
    $1,665.95
    Ships
    Holley 550-602 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-602
    HP EFI ECU & Harness Kit
  • GM LS1
  • Uses Factory GM Coil Harnesses
  • FREE
    SHIPPING
    & HANDLING!
    $1,724.95
    Ships
    Holley 550-603 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-603
    HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses
  • FREE
    SHIPPING
    & HANDLING!
    $1,722.95
    Order Today Ships 05/02/16
    Holley 550-604 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-604
    HP EFI ECU & Harness Kit
  • Universal V8 Multi-Point Fuel Injection
  • Requires Ignition Adapter Harness
  • FREE
    SHIPPING
    & HANDLING!
    $1,667.95
    Ships
    Holley 550-605 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-550-605
    HP EFI ECU & Harness Kit
  • Unterminated Universal Harness
  • Includes Universal Unterminated Ignition Adapter Harness
  • FREE
    SHIPPING
    & HANDLING!
    $1,665.95
    Ships

    Pressure Transducer

    Holley 554-104 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems
    510-554-104
    Fuel Pressure Transducer
  • 0-1600 psi.
  • For Use In Holley HP
  • And Dominator Systems
  • FREE
    SHIPPING
    & HANDLING!
    $117.95
    Order Today Ships 05/02/16

    10 Products