Holley EFI HP EFI ECU & Harness Kits
$2,981.95
$2,849.95
GVMR_550-603
Air and Fuel Delivery
Fuel Injection Conversion Kit
New Arrivals
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...
Holley EFI GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor
$2,868.95
$2,749.95
GVMR_550-601
Air and Fuel Delivery
Fuel Injection Conversion Kit
New Arrivals
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...
Holley EFI HP EFI ECU & Harness Kits
$2,981.95
$2,849.95
GVMR_550-602
Air and Fuel Delivery
Fuel Injection Conversion Kit
New Arrivals
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...
Holley EFI HP EFI ECU & Harness Kits
$3,262.95
$3,099.95
GVMR_550-602N
Air and Fuel Delivery
Fuel Injection Conversion Kit
New Arrivals
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...
Holley EFI Chrysler Style Replacement IAC
$98.95
$93.25
GVMR_543-105
Air and Fuel Delivery
Fuel Injection System and Related Components
Idle Air Control Valve
New Arrivals
Replacement Idle Air Control (IAC) Motor for Generation 1 Sniper EFI TBI, Avenger 4 bbl TBI, HP 4 bbl TBI, Commander 950, and Digital...
Holley EFI For Sniper 85/90/92/102mm Throttle Bodies and 90/95/105mm Holley Throttle Bodies
$112.95
$103.95
GVMR_543-34
Air and Fuel Delivery
Fuel Injection System and Related Components
Idle Air Control Valve
New Arrivals
For Sniper 85/90/92/102mm Throttle Bodies and 90/95/105mm Holley Throttle BodiesShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI Stock Coils - EV6 injectors - 4R70W Transmission Control
$2,531.95
$2,399.95
GVMR_550-1319
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
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...
Holley EFI Evenly spaced Ford V8 Injector Harness for USCAR / EV6 style Injectors
$219.95
$207.95
GVMR_558-212
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced)Shop high-quality truck parts, auto parts, and performance accessories engineered for...
Holley EFI NEW DEVICE TO TWO PIN MAIN HARNESS
$47.22
$44.74
GVMR_558-430
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
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.Shop high-quality truck parts,...
Holley EFI Holley EFI Transmission Control Harness - GM 4L60 (Pre-2009) and 4L80
$337.95
$318.95
GVMR_558-405
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Expanding our transmission control options for our EFI systems, this harness provides plug and play for Pre-2009 GM 4L60 and 4L80 transmissions using a...
Holley EFI Holley EFI GM Drive-By-Wire Harness - Early Truck
$303.95
$285.95
GVMR_558-429
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Terminator X Max and Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038.Shop high-quality truck parts, auto parts, and performance accessories...
Holley EFI LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.
$201.95
$189.95
GVMR_558-201
Air and Fuel Delivery
Fuel Injection Harness
Wire, Cable and Related Components
LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and...
Holley EFI Universal Unterminated Injector Harness
$254.95
$239.95
GVMR_558-204
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style).Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability,...
Holley EFI LS1/6 Main Harness for HP EFI & Dominator EFI
$712.95
$675.95
GVMR_558-102
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.Shop high-quality truck parts, auto parts,...
Holley EFI Universal MPFI Main Harness for HP EFI & Dominator EFI
$595.95
$571.95
GVMR_558-104
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Universal MPFI Main Harness for HP EFI & Dominator EFIShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI Unterminated Universal Main Harness for HP EFI & Dominator EFI
$595.95
$571.95
GVMR_558-105
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Unterminated Universal Main Harness for HP EFI & Dominator EFIShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI Holley EFI GM Drive-By-Wire Harness
$281.95
$259.95
GVMR_558-406
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Dominator EFI GM Drive-By-Wire HarnessShop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a precise fit. Each component we...
Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI
$712.95
$675.95
GVMR_558-103
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly found in 2006+ Year Model vehicles...
Holley EFI CAN Extension Harness - 8'
$74.95
$70.19
GVMR_558-425
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Can Extension Harness (for Racepak and other external CAN drives)Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI CAN EXTENSION HARNESS, 12FT
$88.95
$84.29
GVMR_558-426
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
CAN Extension Harness (for Racepak and other external CAN drives)Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI CAN Extension Harness - 9''
$59.95
$56.25
GVMR_558-428
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
Can Extension Harness (for Racepak and other external CAN drives)Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a...
Holley EFI EV6 Injectors - Drive-by-Wire Throttle Body Control
$2,531.95
$2,399.95
GVMR_550-1425
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
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...
Holley EFI V8 over Manifold, Bosch Style Injector Harness
$224.95
$212.95
GVMR_558-200
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder OrientationShop high-quality truck...
Holley EFI Holley EFI Terminator X Stealth 4500 - Black
$3,206.95
$3,049.95
GVMR_550-1071
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
The Terminator X Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or...
Holley EFI Holley EFI Terminator X Stealth 4500 - Shiny
$3,206.95
$3,049.95
GVMR_550-1070
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
The Terminator X Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or...
Holley EFI Holley EFI Terminator X - Ford Mod Motor 2V Kit
$2,137.95
$2,049.95
GVMR_550-1216
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
Whether you're building a budget beater or full on race car, Terminator X has the industry leading features and technology you need at a...
Holley EFI 4' Male to Female CAN Adapter Harness
$59.95
$56.25
GVMR_558-452
Air and Fuel Delivery
Fuel Injection Harness
New Arrivals
Wire, Cable and Related Components
4" Male to Female CAN Adapter Harness (for Racepak and other external CAN devices)Shop high-quality truck parts, auto parts, and performance accessories engineered for...
Holley EFI Holley EFI Terminator X Stealth GM LS 4150 - Black
$2,531.95
$2,399.95
GVMR_550-1061
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or...
Holley EFI Holley EFI Terminator X Stealth 4150 - Shiny
$2,193.95
$2,099.95
GVMR_550-1001
Air and Fuel Delivery
Fuel Injection System
Fuel Injection System and Related Components
New Arrivals
The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or...
Holley EFI Bosch/EV1 Style, Low Impedance Fuel Injectors Maximum Horsepower: 1050
$843.95
$779.95
GVMR_522-668
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...
Holley EFI Holley Terminator X Fuel Injectors - Set of Eight
$535.95
$499.95
GVMR_522-768X
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Terminator X High Impedance Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp o-rings. These injectors provide excellent linearity with...
Holley EFI Holley Terminator X Fuel Injectors - Set of Eight
$731.95
$675.95
GVMR_522-428
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...
Holley EFI Holley Terminator X Fuel Injectors - Set of Eight
$731.95
$675.95
GVMR_522-488
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...
Holley EFI 160 lb/hr Performance Fuel Injector - Individual
$178.95
$167.95
GVMR_522-161
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...
Holley EFI Fuel Filter
$46.05
$43.63
GVMR_562-1
Air and Fuel Delivery
Filters
Fuel Filter
New Arrivals
10 micron post filter with dual 3/8" barbs.Shop high-quality truck parts, auto parts, and performance accessories engineered for strength, reliability, and a precise fit....
Holley EFI Holley Terminator X Fuel Injectors - Set of Eight
$674.95
$623.95
GVMR_522-368
Air and Fuel Delivery
Fuel Injection System and Related Components
Fuel Injector
New Arrivals
Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...
