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Holley - Engine Control Module

18 Products Results per Page:
Holley 554-114
Dominator EFI ECU ONLY
  • Drives Up to 24 Low or High Impedance Injectors
  • 12 Channel DIS Coil Outputs
  • Plug & Play Control of GM 24x/58x LSx engines
  • Integrated Electronic Transmission Control
  • 4-Stage Progressive Nitrous/Boost Control
  • Dominator EFI Vehicle Management Sytems
    Item# 510-554-114
    Only $1,990.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-602
    HP EFI ECU & Harness Kit
  • GM LS1
  • Uses Factory GM Coil Harnesses
  • ECU & Harness
    Item# 510-550-602
    Only $1,722.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-604
    HP EFI ECU & Harness Kit
  • Universal V8 Multi-Point Fuel Injection
  • Requires Ignition Adapter Harness
  • ECU & Harness
    Item# 510-550-604
    Only $1,665.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-601
    HP EFI ECU & Harness Kit
  • GM TPI and Holley Stealth Ram
  • Includes HEI Adapter
  • ECU & Harness
    Item# 510-550-601
    Only $1,665.95
    FREE
    SHIPPING
    & HANDLING!
    More Info

    Holley 550-605
    HP EFI ECU & Harness Kit
  • Unterminated Universal Harness
  • Includes Universal Unterminated Ignition Adapter Harness
  • ECU & Harness
    Item# 510-550-605
    Only $1,665.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 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
  • HP ECU Only
    Item# 510-554-113
    Order Today
    Ships 06/27/16
    Only $1,120.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-603
    HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses
  • ECU & Harness
    Item# 510-550-603
    Order Today
    Ships 06/27/16
    Only $1,722.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-602N
  • HP EFI
  • ECU And Harness Kit
  • GM LS1
  • Incl. ECU/Harness
  • Incl NTK Oxygen Sensor
  • Item# 510-550-602N
    Order Today
    Ships 06/27/16
    Only $1,870.95
    FREE
    SHIPPING
    & HANDLING!
    More Info

    Holley 550-606
  • HP EFI
  • ECU And Harness Kit
  • Universal Ford V8 Multi-Point Fuel Injection
  • Incl. ECU/Harness
  • Incl. Bosch Oxygen Sensor
  • Item# 510-550-606
    Order Today
    Ships 06/27/16
    Only $1,626.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 550-605N
  • HP EFI
  • ECU And Harness Kit
  • GM LS2
  • Incl. ECU/Harness
  • Unterminated Universal Harness
  • Incl. NTK Oxygen Sensor
  • Item# 510-550-605N
    Order Today
    Ships 06/27/16
    Only $1,806.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 553-105
  • Hand Held Terminator
  • Replacement Hand Held Tuner For Terminator EFI
  • Item# 510-553-105
    Order Today
    Ships 07/05/16
    Only $208.01
    FREE
    SHIPPING
    & HANDLING!
    More Info
    Holley 554-119
  • Terminator EFI ECU
  • Replacement ECU
  • Item# 510-554-119
    Order Today
    Ships 06/27/16
    Only $1,094.95
    FREE
    SHIPPING
    & HANDLING!
    More Info
    18 Products Results per Page: