Step 1: ECU and Power Harness
Required: Choose by the function you need of the ECU

Part #
Description
 
Price
Quantity
 


HLY-554-114
HOLLEY EFI DOMINATOR ECU (558-308 MAIN POWER HARNESS NOT INCL)
$ 2,108.95


HLY-554-113
HOLLEY EFI HP ECU (558-308 MAIN POWER HARNESS NOT INCL)
$ 1,298.95


HLY-558-308
MAIN POWER HARNESS
$ 67.23


Step 2: Main Harness
Required: Choose by engine design

Part #
Description
 
Price
Quantity
 


HLY-558-104
UNIVERSAL MPFI MAIN HARNESS
$ 364.95


HLY-558-102
LS1 MAIN HARNESS (24x crank / 1x cam)
$ 435.95


HLY-558-103
LS2 MAIN HARNESS (58x crank / 4x cam)
$ 435.95


HLY-558-108
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V
$ 495.95


HLY-558-113
MAIN HARNESS, 99-04 FORD MODULAR 2V & 4V WITH SMART COILS
$ 541.95


HLY-558-109
MAIN HARNESS, FORD COYOTE NON-VVT
$ 506.95


HLY-558-114
MAIN HARNESS, FORD COYOTE NON-VVT WITH SMART COILS
$ 583.95


HLY-558-116
HEMI MAIN HARNESS, LATE, W/ TPS & IAC
$ 506.95


HLY-558-115
HEMI MAIN HARNESS, EARLY, W/ TPS & IAC
$ 506.95


HLY-558-107
HEMI MAIN HARNESS, LATE CRANK & CAM SENSORS
$ 438.95


HLY-558-106
HEMI MAIN HARNESS, EARLY CRANK & CAM SENSORS
$ 535.95


HLY-558-101
TPI/STEALTHRAM MAIN HARNESS
$ 378.95


HLY-558-105
UNTERMINATED MAIN HARNESS
$ 363.95


HLY-558-414
HARNESS, TERMINATOR MAIN
$ 303.95


HLY-558-415
TERMINATOR THROTTLE BODY HARNESS
$ 154.95


HLY-558-110
Holley EFI Ford Coyote Engine Main Harness w/ Ti-VCT and stock coils (2011-2017)
$ 517.95


HLY-558-121
Terminator Stealth 2x4 MAIN HARNESS
$ 298.95


HLY-558-122
Holley EFI Ford Coyote Ti-VCT Main Harness for Holley EFI HP smart coils (2011-2017)
$ 569.95


HLY-558-125
Coyote Ti-VCT Sub Harness for 2013-2017 Coyote Engines with Stock Camshafts
$ 237.95


HLY-558-510
Ford Coyote Ti-VCT Harness Kit, includes Power Harness, Main Harness, Coil Drivers, and USCAR Injector Harness
$ 879.95


Step 3: Injector Harness
Required: Choose by injector type and engine design

Part #
Description
 
Price
Quantity
 


HLY-558-200
CHEVY/MOPAR V8 OVER MANIFOLD INJECTOR HARNESS, BOSCH(JETRONIC) STYLE
$ 132.95


HLY-558-201
LSX INJECTOR HARNESS - FOR EV6(USCAR) STYLE INJECTORS
$ 111.95


HLY-558-209
FORD V-8 INJECTOR HARNESS
$ 147.95


HLY-558-212
FORD INJECTOR HARNESS MOD/COYOTE, USCAR CONNECTORS
$ 115.95


HLY-558-213
FORD INJECTOR HARNESS MOD/COYOTE, JETRONIC CONNECTORS
$ 115.95


HLY-558-210
Gen III HEMI Injector Harness with Stock/USCAR style
$ 116.95


HLY-558-211
GEN III HEMI V8 INJECTOR HARNESS - BOSCH/JETRONIC AND HOLLEY INJECTORS
$ 116.95


HLY-558-202
UNIV. 4 CYL. INJ HARNESS
$ 80.62


HLY-558-203
UNIV 6 CYL INJ HARNESS
$ 135.95


HLY-558-204
UNIV. UNTERMINATED INJ HARNESS
$ 138.95


HLY-558-207
UNTERMINATED 16 INJ HARNESS
$ 196.95


HLY-558-208
UNTERMINATED 24 INJ HARNESS
$ 269.95


HLY-558-206
2 X 4 TBI INJ HARNESS
$ 158.95


HLY-558-214
LS MULTEC 2 INJECTOR HARNESS - EARLY TRUCK
$ 171.95


HLY-554-142
Injector Driver Module, w/ Harness
$ 413.95


HLY-554-143
Injector Driver Module, w/o Harness
$ 372.95


Step 4: Ignition Harness
Choose by type of ignition or triggers (not needed with LS/Mod motor/Coyote/Gen 3 Hemi main harnesses )

Part #
Description
 
Price
Quantity
 


HLY-558-304
HEI IGN HARNESS
$ 33.84


HLY-558-305
FORD TFI IGN HARNESS
$ 79.48


HLY-558-313
IGNITION ADAPTER HARNESS FOR FAST DUAL SYNC DISTRIBUTORS
$ 23.32


HLY-558-431
CRANK/CAM IGN. HARNESS. FOR FERROUS CRANK/MAGNETIC HALL EFFECT SENSORS
$ 63.71


HLY-558-410
CRANK/CAM HARNESS FOR 60-2 CRANK TRIGGER KITS
$ 66.59


HLY-558-306
UNIVERSAL UNTERMINATED IGNITION HARNESS
$ 123.95


HLY-558-303
MAG PICKUKP IGN HARNESS
$ 63.09


Step 5: Transmission Control
Only for 4L60/80 (coming soon 4RW70/AODE) Must use Dominator ECU

Part #
Description
 
Price
Quantity
 


HLY-558-470
Ford 4R70W/4R75W Transmission Control Harness (98+)
$ 164.95


HLY-558-405
GM 4L60/80E TRANSMISSION HARNESS
$ 191.95


Step 6: Drive By Wire
Choose by pedal and DBW throttle body design. Must use Dominator ECU

Part #
Description
 
Price
Quantity
 


HLY-558-406
GM DRIVE-BY-WIRE HARNESS
$ 170.95


HLY-558-429
GM DBW HARNESS - EARLY TRUCK
$ 167.95


HLY-558-422
FORD COYOTE DRIVE-BY-WIRE HARNESS
$ 171.95


HLY-558-417
GEN III HEMI DRIVE-BY-WIRE HARNESS - EARLY PEDAL
$ 173.95


HLY-558-418
GEN III HEMI DRIVE-BY-WIRE HARNESS - LATE PEDAL
$ 173.95


HLY-558-411
GM DUAL DRIVE BY WIRE HARNESS
$ 221.95


Step 7: Throttle Body
Choose your Throttle Body

Part #
Description
 
Price
Quantity
 


HLY-112-588
UNIVERSAL 4BBL 1000CFM 4150 FLANGE THROTTLE BODY - POLISHED
$ 401.95


HLY-112-587
UNIVERSAL 4BBL 1000CFM 4150 FLANGE THROTTLE BODY - HARD CORE GRAY
$ 446.95


HLY-112-602
Universal Race Series 4bbl 1000CFM Throttle Body-4150 Flange- Hard Core Gray
$ 556.95


HLY-112-577
UNIVERSAL 4BBL BILLET 1000 CFM 4150 FLANGE THROTTLE BODY
$ 643.95


HLY-112-578
2000 CFM DOMINATOR FLANGE THROTTLE BODY
$ 1,059.95


HLY-534-217
THROTTLE BODY, TERMINATOR HC GREY
$ 1,017.95


HLY-534-216
THROTTLE BODY, TERMINATOR POLISHED
$ 957.95


HLY-112-583
BILLET 105MM LS THROTTLE BODY W/STRAIGHT BORE
$ 586.95


HLY-112-581
BILLET 105MM LS THROTTLE BODY W/LOW RPM TAPER
$ 586.95


HLY-112-589
BILLET 90MM LS THROTTLE BODY W/LOW RPM TAPER
$ 505.95


HLY-112-585
BILLET 95MM LS THROTTLE BODY W/LOW RPM TAPER
$ 529.95


Step 8: Auxiliary Harness
Choose if running second O2 or multiple input/output

Part #
Description
 
Price
Quantity
 


HLY-558-400
J1 A/B I/O CONNECTOR HP & DOM
$ 77.13


HLY-558-401
J2A CONNECTOR & HARNESS DOMINATOR EFI (For 2nd Wideband)
$ 158.95


HLY-558-402
J2B CONNECTOR & HARNESS DOMINATOR EFI (For additional Injectors/ Water Meth)
$ 104.95


HLY-558-403
J3 CONNECTOR & HARNESS DOMINATOR
$ 104.95


HLY-558-404
J4 CONNECTOR & HARNESS DOMINATOR
$ 132.95


HLY-558-408
LOOSE J2-J4 CONNECTOR PIN
$ 136.95


RED-J4CON
REDLINE J4 CONNECTOR for the DOMINATOR ECU
$ 19.95


RED-J3CON
REDLINE J3 CONNECTOR for DOMINATOR ECU
$ 19.95


RED-J2ACON
REDLINE J2A CONNECTOR for the DOMINATOR ECU
$ 19.95


RED-J2BCON
REDLINE J2B CONNECTOR for the DOMINATOR ECU
$ 19.95


RED-ECUPINS
REDLINE ECU PINS for the J4, J3, J2A, J2B CONNECTORS (10 per package)
$ 7.95


Step 9: Injectors
Choose by horsepower range

Part #
Description
 
Price
Quantity
 


HLY-522-198
KIT- FUEL INJECTOR 19 PPH, 8 PACK (Up to 300 HP N/A or 230 HP Boosted on Gasoline)
$ 401.95


HLY-522-248
KIT- FUEL INJECTOR 24 PPH, 8 PACK (Up to 385 HP N/A or 290 HP Boosted on Gasoline)
$ 401.95


HLY-522-308
KIT- FUEL INJECTOR 30 PPH, 8 PACK (Up to 480 HP N/A or 370 HP Boosted on Gasoline)
$ 401.95


HLY-522-368
KIT- FUEL INJECTOR 36 PPH, 8 PACK (Up to 575 HP N/A or 440 HP Boosted on Gasoline)
$ 401.95


HLY-522-428
KIT- FUEL INJECTOR 42 PPH, 8 PACK (Up to 670 HP N/A or 510 HP Boosted on Gasoline)
$ 432.95


HLY-522-488
KIT- FUEL INJECTOR 48 PPH, 8 PACK (Up to 765 HP N/A or 590 HP Boosted on Gasoline)
$ 443.95


HLY-522-668
KIT- FUEL INJECTOR 66 PPH, 8 PACK (Up to 1050 HP N/A or 800 HP Boosted on Gasoline)
$ 457.95


HLY-522-838
KIT- FUEL INJECTOR 83 PPH, 8 PACK (Up to 1325 HP N/A or 1020 HP Boosted on Gasoline)
$ 523.95


HLY-522-128
KIT- FUEL INJECTOR 120 PPH, 8 PACK (Up to 1900 HP N/A or 1450 Boosted on Gasoline)
$ 523.95


HLY-522-168
KIT, FUEL INJECTOR 160PPH, 8 PACK (Up to 2525 HP N/A or 1950 HP Boosted on Gasoline)
$ 674.95


HLY-522-801
FUEL INJECTOR, TERMINATOR 80 PPH
$ 91.17


HLY-522-191
KIT- FUEL INJECTOR 19 PPH, SINGLE
$ 58.41


HLY-522-241
KIT- FUEL INJECTOR 24 PPH, SINGLE
$ 58.41


HLY-522-301
KIT- FUEL INJECTOR 30 PPH, SINGLE
$ 58.41


HLY-522-361
KIT- FUEL INJECTOR 36 PPH, SINGLE
$ 58.41


HLY-522-421
KIT- FUEL INJECTOR 42 PPH, SINGLE
$ 58.41


HLY-522-481
KIT- FUEL INJECTOR 48 PPH, SINGLE
$ 59.60


HLY-522-661
KIT- FUEL INJECTOR 66 PPH, SINGLE
$ 59.60


HLY-522-831
KIT- FUEL INJECTOR 83 PPH, SINGLE
$ 65.42


HLY-522-121
KIT- FUEL INJECTOR 120 PPH, SINGLE
$ 65.42


HLY-522-161
KIT, FUEL INJECTOR 160PPH, SINGLE
$ 87.64


BAI-43PSI-INJ-1
BILLET ATOMIZER GASOLINE INJECTORS (160 PPH THRU 325 PPH)
$ 1,350.00


BAI-90PSI-INJ-1
BILLET ATOMIZER ALCOHOL INJECTORS (500 PPH THRU 850 PPH)
$ 2,814.00


522-221
220PPH Fuel Injector - Minitimer Connectors (EV1/Bosch Style)Single Injector
$ 198.95


522-228
220PPH Fuel Injector - Minitimer Connectors (EV1/Bosch Style)Set of 8
$ 1,566.95


Step 10: Sensors
Required: Choose all that apply to your engine ( only need wideband if using LS/Mod motor/Coyote/Gen 3 Hemi main harnesses )

Part #
Description
 
Price
Quantity
 


HLY-554-100
NTK WB02 SENSOR
$ 259.95


HLY-554-101
BOSCH WB02 SENSOR
$ 157.95


HLY-534-20
SENSOR - INTAKE AIR TEMPERATURE - 3/8" NPT
$ 36.64


HLY-534-10
COOLANT TEMP SENSOR - 3/8" NPT
$ 35.50


HLY-538-24
MAP SENSOR - 1 BAR (NATURALLY ASPIRATED)
$ 82.61


HLY-554-133
MAP SENSOR - 1 BAR (NATURALLY ASPIRATED) 1/8" NPT THREAD
$ 126.95


HLY-538-13
MAP SENSOR - 2 BAR (UP TO 15 PSI OF BOOST)
$ 87.32


HLY-554-107
MAP SENSOR - 3 BAR (UP TO 30 PSI OF BOOST)
$ 99.72


HLY-554-134
MAP SENSOR - 3.5 BAR (UP TO 36 PSI OF BOOST)
$ 126.95


HLY-554-108
MAP SENSOR - 5 BAR (UP TO 75 PSI BOOST) 1/8" NPT
$ 114.95


HLY-554-135
MAP SENSOR - 7 BAR (UP TO 100 PSI OF BOOST) 1/8" NPT
$ 126.95


HLY-554-102
100 PSI PRESSURE TRANSDUCER - 1/8" NPT
$ 133.95


HLY-554-103
200 PSI PRESSURE TRANSDUCER - 1/8" NPT
$ 132.95


HLY-554-136
500 PSI PRESSURE TRANSDUCER - 1/8" NPT
$ 126.95


HLY-554-104
1600 PSI PRESSURE TRANSDUCER - 1/8" NPT
$ 132.95


HLY-554-137
3000 PSI PRESSURE TRANSDUCER - 1/8" NPT
$ 126.95


HLY-554-138
100 PSI / -40C TO 105C - SENSOR COMBO - 1/4" NPT
$ 269.95


HLY-554-127
CAM SYNC SENSOR KIT, (HE SENSOR & MAG TARGET)
$ 151.95


HLY-554-125
CAM SYNC SENSOR, HE, M12X1 FLYING MAGNET
$ 109.95


HLY-554-118
CRANK SENSOR, HE, FLYING MAGNET DIRECT REPLACEMENT
$ 123.95


HLY-554-124
CRANK SENSOR, HE, M12X1 FERROUS TARGET
$ 116.95


HLY-554-120
MAP SENSOR, TERMINATOR 1 BAR
$ 65.31


HLY-554-121
AIR TEMP SENSOR, TERMINATOR
$ 20.05


HLY-534-205
MPFI SENSOR CONNECTOR KIT
$ 36.15


HLY-534-49
O2 SENSOR WELD RING
$ 8.89


Step 11: Fuel System
Choose by horsepower range

Part #
Description
 
Price
Quantity
 


RED-12-890-KIT
100 GPH HP In-line Fuel Pump Kit (Up to 900 HP N/A OR 500 HP BOOSTED ON GASOLINE at 13.8V)
$ 674.95


RED-12-1200-KIT
130 GPH Dominator In-Line Billet EFI Fuel Pump Kit (Up to 1200 HP N/A or 650 HP Boosted on Gasoline at 13.8V)
$ 699.95


RED-12-1200-2-KIT
130 GPH Dominator Dual Inlet In-Line Billet EFI Fuel Pump Kit (Up to 1200 HP N/A or 650 HP Boosted on Gasoline at 13.8V)
$ 804.95


RED-12-1600-KIT
160 GPH Dominator In-Line Billet EFI Fuel Pump Kit (Up to 1600 HP N/A or 850 HP Boosted on Gasoline at 13.8V)
$ 739.95


RED-12-1600-2-KIT
160 GPH Dominator Dual Inlet In-Line Billet EFI Fuel Pump Kit (Up to 1600 HP N/A or 850 HP Boosted on Gasoline at 13.8V)
$ 839.95


RED-12-1800-KIT
200 GPH Dominator In-Line Billet EFI Fuel Pump Kit (Up to 1800 HP N/A or 1000 HP Boosted on Gasoline at 13.8V)
$ 795.95


RED-12-1800-2-KIT
200 GPH Dominator Dual Inlet In-Line Billet EFI Fuel Pump Kit (Up to 1800 HP N/A or 1000 HP Boosted on Gasoline at 13.8V)
$ 884.95


RED-12-1500-KIT
VR1 SERIES BRUSHLESS FUEL PUMP 2 PORT REGULATOR KIT (Up to 1600 HP N/A or 950 HP Boosted on Gasoline at 13.8V)
$ 1,399.95


RED-12-3000-KIT
VR2 BRUSHLESS FUEL PUMP-SINGLE 16AN INLET WITH 2 PORT REGULATOR KIT (Up to 3200 HP N/A or 1900 HP Boosted on Gasoline at 13.8V)
$ 2,239.95


RED-12-3000-2-KIT
VR2 BRUSHLESS FUEL PUMP-DUAL 10AN INLET WITH 2 PORT REGULATOR KIT (Up to 3200 HP N/A or 1900 HP Boosted on Gasoline at 13.8V)
$ 2,319.95


Step 12: Crank Trigger and/or Distributor
Choose by engine design

Part #
Description
 
Price
Quantity
 


HLY-556-116
CRANK TRIGGER KIT, 8 INCH SBC 36-1
$ 448.95


HLY-556-113
CRANK TRIGGER KIT, 8 INCH BBC 36-1
$ 420.95


HLY-554-118
CRANK SENSOR, HE, FLYING MAGNET DIRECT REPLACEMENT
$ 123.95


HLY-554-124
CRANK SENSOR, HE, M12X1 FERROUS TARGET
$ 116.95


HLY-554-126
FLYING MAGNET TARGET, CAM SYNC
$ 43.61


HLY-556-110
SBC CRANK TRIGGER KIT
$ 234.86


HLY-556-102
SBC CRANK SENSOR MOUNTING KIT
$ 197.95


HLY-556-103
BBC CRANK SENSOR MOUNTING KIT
$ 197.95