Holley EFI Products - Radical Street Cars

PowerStop

EBC

COMP CAMS

ORACLE LIGHTING

SPARCO

ALLSTAR PERFORMANCE

FRAGOLA

MGP

LUND

Magnaflow

View all Brands

PowerStop

EBC

COMP CAMS

ORACLE LIGHTING

SPARCO

ALLSTAR PERFORMANCE

FRAGOLA

MGP

LUND

Magnaflow

Mahle OE

Cometic Gasket

3D MAXpider

BILSTEIN

FERREA

KYB

Clevite

NGK

ARP

Mishimoto

Hawk Performance

H&R

AUTOMETER

PROTHANE

JE PISTONS

WESTIN

HOLLEY

Putco

AVS

Gates

EIBACH

WISECO

King Shocks

Rhino-Rack

Vibrant

King Engine Bearings

Go Rhino

Manley Performance

EDELBROCK

NITROUS EXPRESS

Supertech

Enkei

Pro Comp

Remus

Smittybilt

RUSSELL

Pirelli

NRG

dba

HUSKY LINERS

FOX

Fuelab

Tein

CSF

AEROMOTIVE

DEATSCHWERKS

ANZO

Access

BBS

Mayhem

Advan

ACL

Iron Cross

Method Wheels

Injen

Mahle

Undercover

HPS Performance

Gibson

STAINLESS WORKS

Hella

TOYO

Baja Designs

Turbosmart

ATI

RaceChip

MOROSO

VIBRANT PERFORMANCE

Airaid

KONI

BMC

BORLA

ATP

AEROQUIP

Pace Edwards

Road Armor

MSD

Yokohama Tire

EARLS

Old Man Emu

BOOST Products

EAGLE

CP Pistons

N-Fab

AIR LIFT

Brian Crower

AEM Induction

Seibon

ION Wheels

View all Brands

SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-311

Holley EFI Gen III HEMI Coil Harness - Late Coils

MSRP: $172.00

Was: $172.00

Now: $153.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-417

Holley EFI Gen III HEMI Drive-By-Wire Harness - Early Pedal

MSRP: $172.00

Was: $172.00

Now: $166.28

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-418

Holley EFI Gen III HEMI Drive-By-Wire Harness - Late Pedal

MSRP: $252.00

Was: $252.00

Now: $225.95

Add to Cart
Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-116

Holley EFI Gen III HEMI Main Harness , Late, w/TPS and Idle Air Control Connections

MSRP: $729.00

Was: $729.00

Now: $655.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-115

Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections

MSRP: $729.00

Was: $729.00

Now: $655.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-211

Holley EFI Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors used for upgrades and racing

MSRP: $172.00

Was: $172.00

Now: $153.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-210

Holley EFI Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors

MSRP: $172.00

Was: $172.00

Now: $153.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-3558-132

Holley EFI GEN III HEMI VVT and SRV Harness

MSRP: $149.00

Was: $149.00

Now: $133.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-3558-131

Holley EFI GEN III HEMI VVT Harness

MSRP: $115.00

Was: $115.00

Now: $102.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-405

Holley EFI GM 4L60/80E Transmission Harness

MSRP: $302.00

Was: $302.00

Now: $270.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2558-501

Holley EFI GM 58X EFI HARNESS KIT

MSRP: $816.00

Was: $816.00

Now: $733.95

Compare
SALE

Quick view Details

Holley EFI
|
sku: HOE-2570-215

Holley EFI GM Coolant Temperature Sensor (CTS)

MSRP: $10.29

Was: $10.29

Now: $6.48

Compare

SALE

Quick view

Holley EFI
|
sku: HOE-2558-311

Holley EFI Gen III HEMI Coil Harness - Late Coils

Chrysler has used two different coils on the HEMI engine series with 2006 being the year that the change was phased throughout the truck and car line. Fortunately the two coils are very different...

MSRP: $172.00

Was: $172.00

Now: $153.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-417

Holley EFI Gen III HEMI Drive-By-Wire Harness - Early Pedal

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 changed in the 2007 models. Interestingly, the throttle...

MSRP: $172.00

Was: $172.00

Now: $166.28
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-418

Holley EFI Gen III HEMI Drive-By-Wire Harness - Late Pedal

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 changed in the 2007 models. Interestingly, the throttle...

MSRP: $252.00

Was: $252.00

Now: $225.95
Add to Cart Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-116

Holley EFI Gen III HEMI Main Harness , Late, w/TPS and Idle Air Control Connections

Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant...

MSRP: $729.00

Was: $729.00

Now: $655.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-115

Holley EFI Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections

Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI engine with an aftermarket cable actuated throttle body. It is meant...

MSRP: $729.00

Was: $729.00

Now: $655.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-211

Holley EFI Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors used for upgrades and racing

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using the factory injectors. The other harness is for the...

MSRP: $172.00

Was: $172.00

Now: $153.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-210

Holley EFI Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors

An Injector Harness is required and Holley offers two. The harness with USCAR/Stock injector connectors will cover most applications that are using the factory injectors. The other harness is for the...

MSRP: $172.00

Was: $172.00

Now: $153.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-3558-132

Holley EFI GEN III HEMI VVT and SRV Harness

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of...

MSRP: $149.00

Was: $149.00

Now: $133.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-3558-131

Holley EFI GEN III HEMI VVT Harness

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs will allow you to control and tune the VVT with the use of...

MSRP: $115.00

Was: $115.00

Now: $102.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-405

Holley EFI GM 4L60/80E Transmission Harness

GM 4L60/80E Transmission Harness - Complete terminated harness with j4 connector to operate GM electronic transmissions. for Dominator EFIFeaturesBase Plenum Top Mounting Flange Height ‚Äì 8.42‚Äù to...

MSRP: $302.00

Was: $302.00

Now: $270.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2558-501

Holley EFI GM 58X EFI HARNESS KIT

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes...

MSRP: $816.00

Was: $816.00

Now: $733.95
Compare
SALE

Quick view

Holley EFI
|
sku: HOE-2570-215

Holley EFI GM Coolant Temperature Sensor (CTS)

Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs. From connectors and pins to wire loom and tools! We have...

MSRP: $10.29

Was: $10.29

Now: $6.48
Compare

Compare Selected

Shop by Category

Shop by Brand

Shop by Brand

Holley EFI