Tach Input Ignition Adapter 558-302

$26.62 $23.66
GVMR_558-302
All Holley EFI Ignition Ignition Harness Ignition Wire and Related Components In Stock Sale
This is only used on applications using a CD Box, such as an MSD 6AL, while not using timing control.Tach Input Ignition Adapter 558-302

For Dominator, HP, and Terminator X EFI Systems 558-400

$143.95 $127.95
GVMR_558-400
All Holley EFI Ignition Ignition Harness Ignition Wire and Related Components In Stock Popular Search (Search Bar) Sale
This harness connects to the (8) pin Metri-Pack Input/Output connector located in most Holley EFI main harnesses.For Dominator, HP, and Terminator X EFI Systems...

Dominator EFI Connector J2A Auxiliary Harness 558-401

$257.95 $228.95
GVMR_558-401
All Holley EFI Ignition Ignition Harness Ignition Wire and Related Components In Stock Popular Search (Search Bar) Sale
Used when adding a second wide band oxygen sensor to a Dominator EFI installation.Dominator EFI Connector J2A Auxiliary Harness 558-401

Dominator EFI Connector J2B Auxiliary Harness 558-402

$197.95 $175.95
GVMR_558-402
All Holley EFI Ignition Ignition Harness Ignition Wire and Related Components In Stock Sale
Dominator EFI Connector J2B Auxiliary HarnessDominator EFI Connector J2B Auxiliary Harness 558-402

Holley EFI Fuel System Kit 526-10

$415.95 $368.95
GVMR_526-10
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Line Holley EFI In Stock Popular Search (Search Bar) Sale
Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using a Holley fuel filter...

Holley EFI Fuel System Kit 526-9

$281.95 $249.95
GVMR_526-9
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Hose Kit Holley EFI In Stock Popular Search (Search Bar) Sale Service Kits
Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using a Holley fuel filter...

Stainless Steel 1/4-20 Screw 9919-141

$3.53 $1.73
GVMR_9919-141
All Hardware and Service Supplies Hardware, Fasteners and Fittings Holley EFI In Stock Popular Search (Search Bar) Sale Screw
Stainless Steel 1/4-20 ScrewStainless Steel 1/4-20 Screw 9919-141

LS COIL HARNESSES 558-321

$224.95 $199.95
GVMR_558-321
.IgnitionCoils All Holley EFI Ignition Ignition Coil Assembly Wiring Harness Ignition Wire and Related Components In Stock Popular Search (Search Bar) Sale
Are you tired of scouring the junkyard for stock ls coil sub harnesses? Introducing the new Holley EFI LS Coil Sub Harness. This coil...

LS Coil Extension Harnesses 558-326

$131.95 $126.95
GVMR_558-326
.IgnitionCoils All Holley EFI Ignition Ignition Coil Extension Harness Ignition Wire and Related Components In Stock Popular Search (Search Bar) Sale
Designed to extend your factory coil harness, allowing you to easily remote mount your LS ignition coils. These 36" long ignition coil extension harnesses...

2550CFM Dominator Flange "Big Dual" Throttle Body Air Valve 112-593

$2,474.95 $1,429.95
GVMR_112-593
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Injection Throttle Body Holley EFI In Stock Sale
Holley's NEW EFI Throttle Bodies are unquestionably the BIGGEST BORE - MOST FEATURE LOADED units available on the market today. Holley went back to...

BILLET 105mm LS Throttle Body w/low RPM Taper 112-581

$956.95 $849.95
GVMR_112-581
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Injection Throttle Body Holley EFI In Stock Popular Search (Search Bar) Sale
Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the...

BILLET 90mm LS Throttle Body w/low RPM Taper 112-589

$956.95 $849.95
GVMR_112-589
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Injection Throttle Body Holley EFI In Stock Sale
Holley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve...

TRANSBRAKE INPUT PROTECTION MODULE 554-128

$66.95 $59.25
GVMR_554-128
All Circuit Protection Wiring Harness Electrical, Lighting and Body Holley EFI In Stock Popular Search (Search Bar) Sale Wire, Cable and Related Components
554-128 is a device that allows for an ECU input to be safely connected directly to the +12V side of the transbrake solenoid. This...

Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness 558-450

$415.95 $368.95
GVMR_558-450
Air and Fuel Delivery All Body Wiring Harness and Components Electronic Throttle Harness Holley EFI In Stock Sale
Additionally, this harness requires pedal assembly part number 0486 1714.Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness 558-450

Easily convert from single to dual Terminator Stealth 558-121

$562.95 $499.95
GVMR_558-121
Air and Fuel Delivery All Body Wiring Harness and Components Electronic Throttle Harness Holley EFI In Stock Sale
Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle...

Terminator Stealth 2x4 Primary Throttle Body Sub Harness 558-459

$260.95 $231.95
GVMR_558-459
Air and Fuel Delivery All Body Wiring Harness and Components Electronic Throttle Harness Holley EFI In Stock Sale
Service Primary Throttle Body Sub Harness for Terminator Stealth 4150Terminator Stealth 2x4 Primary Throttle Body Sub Harness 558-459

HOLLEY EFI 1/8NPT SENSOR BLOCK 534-35

$74.95 $65.85
GVMR_534-35
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Pressure Regulator Bracket Mount Holley EFI In Stock Sale
Rigidly mounting pressure transducers to your engine is never a good idea. Introducing the Holley EFI sensor block! Compatible with all transducers that utilize...

MAP Sensor Bracket 9902-104

$50.34 $48.78
GVMR_9902-104
.Sensors All Brackets, Flanges and Hangers Emission Control Holley EFI In Stock Manifold Absolute Pressure Sensor Bracket Sale
Bracket for 538-24 or 554-107MAP Sensor Bracket 9902-104

160 lb/hr Performance Fuel Injectors - Set of 8 522-168FM

$1,574.95 $1,399.95
GVMR_522-168FM
.AirFuelDelivery .FuelDelivery .FuelInjectors Air and Fuel Delivery All Fuel Injection System and Related Components Fuel Injector Set Holley EFI In Stock Sale
Holley EFI 160lb/hr Flow Matched Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity...

Gen III HEMI Drive-By-Wire Harness - Early Pedal 558-417

$302.95 $268.95
GVMR_558-417
Air and Fuel Delivery All Body Wiring Harness and Components Electronic Throttle Harness Holley EFI In Stock Sale
Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks...

Gen III HEMI Drive-By-Wire Harness - Late Pedal 558-418

$281.95 $249.95
GVMR_558-418
Air and Fuel Delivery All Body Wiring Harness and Components Electronic Throttle Harness Holley EFI In Stock Sale
Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks...

Use with Terminator X or X Max Systems Only 558-132

$184.95 $163.95
GVMR_558-132
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Wiring Harness Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Sale
2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs...

Closed Loop Wiring Harness for Digital 2 bbl Pro-Jection 534-56

$49.20 $43.73
GVMR_534-56
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Wiring Harness Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Sale
Closed Loop Wiring Harness for Digital 2 bbl Pro-JectionClosed Loop Wiring Harness for Digital 2 bbl Pro-Jection 534-56

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter 558-416

$45.24 $40.21
GVMR_558-416
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Wiring Harness Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Popular Search (Search Bar) Sale
Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. The 558-416 is an adapter...

Throttle Body Wiring Harness 534-45

$67.95 $8.20
GVMR_534-45
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection Wiring Harness Adapter Hardware, Fasteners and Fittings Holley EFI In Stock Sale
CLEARANCE ITEM / ALL SALES FINAL - Computer Data Cable for All Digital Interactive Pro-Jection SystemsThrottle Body Wiring Harness 534-45

Holley EFI ECU Bracket - Dominator 554-156

$116.95
GVMR_554-156
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Brackets, Flanges and Hangers Engine Engine Control Module (ECM) Bracket Holley EFI In Stock Sale
Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang.Holley EFI ECU Bracket -...

Holley EFI ECU Bracket - HP/Terminator/Terminator X 554-157

$108.95
GVMR_554-157
.Modules .ModulesProgrammersMonitors .TunersProgrammersModules All Brackets, Flanges and Hangers Engine Engine Control Module (ECM) Bracket Holley EFI In Stock Popular Search (Search Bar) Sale
Introducing Holley EFI ECU mounting brackets, allowing you to safely mount your ECU under the seat of a Foxbody Mustang.Holley EFI ECU Bracket -...

HP EFI Universal MPI Retrofit Kit, 4150™ carburetor style intake manifolds 550-500

$4,499.95 $3,649.95
GVMR_550-500
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Do you have a Mopar, Ford, or other type engine you want to install multi-port fuel injection on? The Holley HP universal retrofit EFI...

HP EFI Universal MPI Retrofit Kit, 4500™ carburetor style intake manifolds 550-501

$5,624.95 $4,649.95
GVMR_550-501
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
Do you have a Mopar, Ford or other type engine you want to install multi-port fuel injection on? No, problem, the Holley HP universal...

Universal MPFI Main Harness - Ford Spaced EV1 Injectors - 3.5 in. Touchscreen 550-937

$1,606.95
GVMR_550-937
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is...

Holley EFI Terminator X Max - Ford MPFI Kit 550-943

$2,119.95 $1,849.95
GVMR_550-943
.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 conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning...

24x Crank - 1x Cam - EV1 Injectors - 3.5 in. Touchscreen 550-903

$1,606.95 $1,449.95
GVMR_550-903
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is...

24x Crank - 1x Cam - EV1 Injectors - USB/CAN Tuning Cable 550-903T

$1,588.95 $1,349.95
GVMR_550-903T
.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 - Gen III 4.8/5.3/6.0 GM Truck Engines 550-904

$1,606.95 $1,449.95
GVMR_550-904
.AirFuelDelivery .FuelDelivery Air and Fuel Delivery All Fuel Injection System Fuel Injection System and Related Components Holley EFI In Stock Sale
The 3.5" touch screen LCD handheld contains an easy to use calibration wizard as well as tuning and gauge display functions. Also included is...

Holley EFI Terminator X - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 550-905

$1,606.95 $1,449.95
GVMR_550-905
.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 - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 550-905T

$1,588.95
GVMR_550-905T
.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...
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