Terminator EFI Input/Output Kit 558-420

$59.95 $52.69
GVMR_558-420
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Engine Engine Control Module (ECM) Wiring Harness Holley EFI In Stock Popular Search (Search Bar) Sale Wire, Cable and Related Components
PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It...

Ford Coyote Ti-VCT Coil Harness (2015.5-2017) 558-322

$281.95 $249.95
GVMR_558-322
.IgnitionCoils All Holley EFI Ignition Ignition Coil Assembly Wiring Harness Ignition Wire and Related Components In Stock Sale
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is...

Sniper EFI Main Wiring Harness 558-490

$169.00 $164.95
GVMR_558-490
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Engine Engine Control Module (ECM) Wiring Harness Holley EFI In Stock Sale Wire, Cable and Related Components
This harness includes the Switched 12v Power Wire, Main Battery Power and Ground, Fuel Pump Relay, Coil - Input wire, and Magnetic Distributor Input...

Digital Dash I/O Adapter with unterminated Vehicle Harness 558-433

$393.95 $349.95
GVMR_558-433
.Dashes .DashTrim All Dashboard Wiring Harness Electrical, Lighting and Body Holley EFI In Stock Sale Wire, Cable and Related Components
Digital Dash I/O Adapter with unterminated Vehicle HarnessDigital Dash I/O Adapter with unterminated Vehicle Harness 558-433

Digital Dash I/O Adapter with terminated Vehicle Harness 558-434

$449.95 $399.95
GVMR_558-434
.Dashes .DashTrim All Dashboard Wiring Harness Electrical, Lighting and Body Holley EFI In Stock Sale Wire, Cable and Related Components
Digital Dash I/O Adapter with terminated Vehicle HarnessDigital Dash I/O Adapter with terminated Vehicle Harness 558-434

ODD/EVEN COIL CONNECTORS - Sub Harness 570-208

$12.02 $10.68
GVMR_570-208
.IgnitionCoils All Electrical Connectors Holley EFI Ignition Ignition Coil Connector In Stock Sale
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....

WEATHER PACK, 3 CAVITY, TOWER, GREEN 570-212

$13.25 $11.78
GVMR_570-212
.Sensors All Electrical Connectors Electrical, Lighting and Body Holley EFI In Stock Manifold Absolute Pressure Sensor Connector Sale
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....

Developed specifically for Holley EFI analog-style CAN gauges 554-130

$168.95 $149.95
GVMR_554-130
.Modules .ModulesProgrammersMonitors .Sensors .TunersProgrammersModules All Control Modules Gauge Sensor Module Holley EFI In Stock Sale
One plug and play gauge module (P/N 554-130) is required per set of CAN gauges. User can daisy chain as many gauges as they...

Holley EFI Vacuum/Boost Gauge 553-130

$266.95 $236.95
GVMR_553-130
All Holley EFI In Stock Instrument Panel Multi-Purpose Boost / Vacuum Gauge Sale
Vacuum / Boost - Standard 2-1/16" size - 30" Hg - 30 PSI - CAN - Black Face - Black BezelHolley EFI Vacuum/Boost Gauge...

Helps stabilize noisy tach inputs to the 7" Standalone Digital Dash 554-131

$50.34 $24.61
GVMR_554-131
.Dashes All Holley EFI In Stock Instrument Panel Popular Search (Search Bar) Sale Tachometer Signal Stabilizer
Designed to eliminate jittery tach signals when using points/tach pin B5 to provide RPM to the 7" Standalone Digital DashHelps stabilize noisy tach inputs...

HEMI Manifold Air Pressure Connector 570-240

$16.63 $14.78
GVMR_570-240
.Sensors All Electrical Connectors Electrical, Lighting and Body Holley EFI In Stock Manifold Absolute Pressure Sensor Connector Sale
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....

Delphi M/P 150 to GT (Stainless Steel) MAP Adapter Harness 558-467

$40.50 $36.00
GVMR_558-467
.Sensors All Emission Control Hardware, Fasteners and Fittings Holley EFI In Stock Manifold Absolute Pressure Sensor Adapter Popular Search (Search Bar) Sale
These two new MAP sensor adapters from Holley EFI allow you to quickly add a stainless steel MAP sensor to your existing installation. Holley...

Holley EFI 25FT Cable, 7 Conductor 572-100

$97.95 $86.95
GVMR_572-100
All Bulk Wire Hardware and Service Supplies Holley EFI In Stock Sale Wire, Cable and Related Components
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

Holley EFI 100FT Cable, 7 Conductor 572-101

$281.95 $249.95
GVMR_572-101
All Bulk Wire Hardware and Service Supplies Holley EFI In Stock Sale Wire, Cable and Related Components
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

Throttle Body Airfoil Kit 120-140

$155.95 $137.95
GVMR_120-140
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Injection Throttle Body Flow Booster Holley EFI In Stock Sale
Smooths Air Flow For More Power; Fits Stock Throttle Body on 1985-98 Camaro/FirebirdThrottle Body Airfoil Kit 120-140This Part Fits: Year Make Model Submodel Notes...

4-1/2" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face 553-121

$674.95
GVMR_553-121
All Holley EFI In Stock Instrument Panel Sale Speedometer Gauge
Holley is pleased to announce the continuing evolution of its very successful analog-style gauges with the release of new 3-3/8" and 4-1/2" speedometers and...

3-3/8" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face 553-123

$642.95 $570.95
GVMR_553-123
All Holley EFI In Stock Instrument Panel Sale Speedometer Gauge
Holley is pleased to announce the continuing evolution of its very successful analog-style gauges with the release of new 3-3/8" and 4-1/2" speedometers and...

Holley EFI Terminator X Max - Universal MPFI Kit 550-942

$2,057.95
GVMR_550-942
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Take control of your engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface when you can have complete...

58x Crank - 4x Cam - EV6 Injectors - Transmission Control - 3.5 in. Touchscreen 550-918

$2,057.95 $1,849.95
GVMR_550-918
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Terminator X Max comes fully loaded with base maps for common LS engine combinations to get you out of the garage and on the...

24x Crank - 1x Cam - EV6 Injectors - Transmission Control - 3.5 in. Touchscreen 550-919

$2,057.95 $1,849.95
GVMR_550-919
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs...

Holley EFI Terminator X Max - LS1/LS6 550-919T

$1,993.95 $1,789.95
GVMR_550-919T
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs...

24x Crank - 1x Cam - EV6 Injectors - 3.5 in. Touchscreen 550-909

$1,606.95 $1,449.95
GVMR_550-909
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs and...

Holley EFI Terminator X Max - LS1/LS6 550-926T

$2,182.95
GVMR_550-926T
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Whether you are building a budget beater or a boosted race car, Terminator X MAX has the features and technology you need at a...

Holley EFI Terminator X Max - Gen III 4.8/5.3/6.0 GM Truck Engines 550-927

$2,249.95 $2,049.95
GVMR_550-927
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Terminator X Max features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and 4 programmable inputs and outputs. The inputs...

Holley EFI Terminator X Max - Gen III 4.8/5.3/6.0 GM Truck Engines 550-917

$2,057.95 $1,849.95
GVMR_550-917
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Also included is Holley EFI's industry-leading, easy-to-use software suite that allows full laptop access for advanced users. Whether you are building a budget beater...

4150 Sniper Stealth 550-871

$1,632.00 $1,499.95
GVMR_550-871
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Throttle Body Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Sale
The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600...

4150 Sniper Stealth Master Kit 550-871K

$2,030.00 $1,799.95
GVMR_550-871K
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Throttle Body Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Sale
The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600...

Transmission Cable Bracket For TH-700R4 Transmission 20-113

$44.42 $39.48
GVMR_20-113
.Carburetors Air and Fuel Delivery All Carburetion Carburetor Accelerator Linkage Kit Holley EFI In Stock Sale
Transmission Cable Bracket For TH-700R4 TransmissionTransmission Cable Bracket For TH-700R4 Transmission 20-113

Holley EFI 25FT Shielded Cable, 3 Conductor 572-103

$51.24 $45.55
GVMR_572-103
All Bulk Wire Hardware and Service Supplies Holley EFI In Stock Popular Search (Search Bar) Sale Wire, Cable and Related Components
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

Holley EFI 100FT Shielded Cable, 3 Conductor 572-104

$187.95 $166.95
GVMR_572-104
All Bulk Wire Hardware and Service Supplies Holley EFI In Stock Popular Search (Search Bar) Sale Wire, Cable and Related Components
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

Analog Module, 1 Channel EGT Controller 554-188A

$205.95 $182.65
GVMR_554-188A
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Control Modules Exhaust Holley EFI In Stock Pyrometer Module Sale
Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged...

CAN Module, 1 Channel EGT Controller 554-188C

$205.95 $182.65
GVMR_554-188C
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Control Modules Exhaust Holley EFI In Stock Pyrometer Module Sale
Introducing the Holley EFI Single Channel EGT Kits. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged...

METRIPACK 150 WEATHER PLUG 100 PACK 571-134

$47.77 $42.46
GVMR_571-134
.GasketsSeals All Electrical, Lighting and Body Gaskets and Sealing Systems Holley EFI In Stock Multi-Purpose Wiring Connector Seal Sale
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

METRIPACK WEATHER SEAL WHITE 22-18GA 571-108

$19.22
GVMR_571-108
.GasketsSeals All Electrical, Lighting and Body Gaskets and Sealing Systems Holley EFI In Stock Multi-Purpose Wiring Connector Seal Sale
Holley EFI Wiring Shop just keeps getting better! We have one goal, to provide you a one stop solution for all of your wiring...

LS Manifold Air Pressure & Crank Shaft Position Sensor 570-217

$13.40 $11.91
GVMR_570-217
.Sensors All Electrical Connectors Engine Crankshaft Position Sensor Connector Holley EFI Ignition In Stock Sale
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....

99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI 558-314

$260.95 $231.95
GVMR_558-314
All Holley EFI Ignition Ignition Harness Ignition Wire and Related Components In Stock Sale
99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator EFI99-04 2 Valve Ford Modular Coil Harness, For HP EFI & Dominator...
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