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Unterminated Universal Harness, Includes Bosch Oxygen Sensor
$2,936.95
$2,549.95
GVMR_550-605
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your...
Unterminated Universal Harness, Includes NTK Oxygen Sensor
$3,228.95
$2,869.95
GVMR_550-605N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley...
HP EFI ECU & Harness Kits
$3,228.95
$2,869.95
GVMR_550-606N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley...
2011-2012 Ford Coyote Ti-VCT HP EFI Kit, BOSCH O2, USCAR INJ
$3,768.95
$3,349.95
GVMR_550-619
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is...
2011-2012 Ford Coyote Ti-VCT HP EFI Kit, NTK O2, USCAR INJ
$4,049.95
$3,599.95
GVMR_550-619N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is...
2013-2015.5 Ford Coyote Ti-VCT HP EFI Kit, NTK O2, USCAR INJ
$4,443.95
$3,949.95
GVMR_550-625N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is...
Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor
$2,936.95
$2,609.95
GVMR_550-604
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your...
Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor
$3,228.95
$2,869.95
GVMR_550-604N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your...
HP EFI ECU & Harness Kits
$3,059.95
$2,719.95
GVMR_550-607
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...
HP EFI ECU & Harness Kits
$3,059.95
$2,719.95
GVMR_550-603
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...
HP EFI ECU & Harness Kits
$3,341.95
$2,969.95
GVMR_550-603N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...
GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor
$2,936.95
$2,609.95
GVMR_550-601
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your...
HP EFI ECU & Harness Kits
$3,059.95
$2,649.95
GVMR_550-602
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...
HP EFI ECU & Harness Kits
$3,341.95
$2,969.95
GVMR_550-602N
Air and Fuel Delivery
Fuel Injection Conversion Kit
Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...
MPFI/TPI Main Harness Connector Kit
$168.95
$149.95
GVMR_570-102
Air and Fuel Delivery
Electrical Connectors
Fuel Injection Harness Connector
Introducing EFI Engine Connector Kits - From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you...
LSX Main Harness Connector Kit
$182.95
$158.95
GVMR_570-103
Air and Fuel Delivery
Electrical Connectors
Fuel Injection Harness Connector
Introducing EFI Engine Connector Kits - From Holley EFI. With the latest addition to our ever-expanding Wiring Shop, our goal was to provide you...
Terminator LS MPFI Kit
$4,668.95
$4,149.95
GVMR_550-615
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-615 kit controls fuel, spark,...
For Sniper 85/90/92/102mm Throttle Bodies and 90/95/105mm Holley Throttle Bodies
$112.95
$99.95
GVMR_543-34
Air and Fuel Delivery
Best Sellers
Fuel Injection System and Related Components
Idle Air Control Valve
For Sniper 85/90/92/102mm Throttle Bodies and 90/95/105mm Holley Throttle Bodies
Coyote and Modular Ford Throttle Position Sensor Connector
$24.28
$21.05
GVMR_570-231
Air and Fuel Delivery
Best Sellers
Electrical Connectors
Throttle Position Sensor Connector
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
Modular Ford / Coyote Idle Air Control Connector
$15.12
$13.11
GVMR_570-238
Air and Fuel Delivery
Best Sellers
Electrical Connectors
Idle Air Control Valve Connector
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
HEMI Manifold Air Temperature Sensor Connector
$13.08
$11.35
GVMR_570-227
Air and Fuel Delivery
Air Charge Temperature Sensor Connector
Best Sellers
Electrical Connectors
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
Modular Ford / Coyote Manifold Air Temperature Connector
$15.12
$13.11
GVMR_570-237
Air and Fuel Delivery
Air Charge Temperature Sensor Connector
Best Sellers
Electrical Connectors
Introducing the Holley EFI Wiring Shop. We have one goal, to provide you a one stop solution for all of your wiring components needs....
Universal 4 Cylinder EV14 Injector Harness for HP EFI & Dominator EFI
$138.95
$119.95
GVMR_558-440
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
This Universal 4 Cylinder EV14 Injector Harness is designed to be plug and play with HP EFI & Dominator EFI Systems, utilizing our 205...
GM LS1/6, 24X Crank Sensor, Bosch Injector
$1,153.95
$999.95
GVMR_558-500
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important...
Unterminated 16 Injectors MPFI Harness
$345.95
$306.95
GVMR_558-207
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch style). Harness must be assembled and require crimping Metripak150 connectors. Includes all connectors, pins,...
GM LS2/LS3/LS7, 58X Crank Sensor, Bosch Injector
$1,094.95
$949.95
GVMR_558-502
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important...
GM TPI and Stealth Ram EFI Harness Kit
$979.95
$849.95
GVMR_558-503
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important...
Evenly spaced Ford V8 Injector Harness for USCAR / EV6 style Injectors
$224.95
$194.95
GVMR_558-212
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced)
NEW DEVICE TO TWO PIN MAIN HARNESS
$48.40
$41.97
GVMR_558-430
Air and Fuel Delivery
Best Sellers
Fuel Injection Harness
Wire, Cable and Related Components
The Holley EFI Can Adapter/Power Harness adapts two pin Holley main harness CAN connectors to new style 4 pin CAN devices.
LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK
$316.95
$274.95
GVMR_558-214
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK
Terminator LS MPFI Kit
$5,006.95
$4,349.95
GVMR_550-613
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-613 kit controls fuel, spark,...
Terminator LS MPFI Kit
$3,172.95
$2,819.95
GVMR_550-614
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
Get all the great features of Terminator self-tuning EFI in a bolt-on system for GM's popular LS engines! The 550-614 kit controls fuel and...
Fuel Fitting -6AN To 3/8" Hose Barb
$7.18
$6.38
GVMR_9906-143
Air and Fuel Delivery
Best Sellers
Fuel Hose Fitting
Hardware, Fasteners and Fittings
Fuel Fitting -6AN To 3/8" Hose Barb
1/4" Stainless EGT Cap
$156.95
$135.95
GVMR_543-164
Air and Fuel Delivery
Fuel Hose Fitting
Hardware, Fasteners and Fittings
316 Stainless steel caps for 1/4" EGT bungs, sold in a pack of (8).
Plug and Play with Dominator ECU
$359.95
$312.95
GVMR_558-219
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play connectivity with your Dominator ECU. This harness is...
Gen III HEMI Main Harness Late w/ TPS and Idle Air Control Connections
$922.95
$799.95
GVMR_558-116
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
Gen III HEMI Harness with TPS and Idle Air Control Connections. This wiring harness interfaces a Holley EFI ECU to a Gen III HEMI...
