HOLLEY 554-101 Bosch O2 Sensor
$263.66
HLY554-101
Air and Fuel
All Products
HOLLEY
Oxygen Sensors
Oxygen Sensors, Controllers and Components
Oxygen Sensor - Wideband - Bosch - Holley Commander 950 - Each
HOLLEY 554-102 100PSI Sensor
$191.30
HLY554-102
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Pressure Sensors
Pressure Sending Unit - Stainless - Fuel - Holley Pro-Jection - 0-100 psi - Each
HOLLEY 554-103 Pressure Sensor 200psi
$290.02
HLY554-103
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Pressure Sensors
Pressure Sending Unit - Electric - 1/8 in NPT Male Thread - Plug - Stainless - 0-200 psi - Kit
HOLLEY 554-104 Pressure Transducer - 1600psi
$290.02
HLY554-104
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Pressure Sensors
Pressure Sending Unit - Electric - 1/8 in NPT Male Thread - Harness Included - 0-1600 psi - Kit
HOLLEY 554-107 3 Bar Map Sensor
$211.61
HLY554-107
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Map Sensors
Map Sensor - 3 bar - Up to 30 psi Boost - Connector Included - Each
HOLLEY 554-108 5 Bar Map Sensor
$244.06
HLY554-108
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Map Sensors
Map Sensor - 5 bar - Up to 60 psi - 1/8 in NPT Male Thread - Pigtail Harness Included - Each
HOLLEY 554-111 Nitrous Solenoid Driver
$194.68
HLY554-111
All Products
HOLLEY
Ignitions and Electrical
Relays/Relay Kits
Wiring Components
Nitrous Solenoid Driver - High Current Nitrous Solenoid Driver - Each
HOLLEY 554-113 HP Series EFI ECU Only
$2,601.73
HLY554-113
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - HP EFI - Universal - Each
HOLLEY 554-114 ECU Only Dominator
$4,112.41
$3,289.93
HLY554-114
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - Dominator EFI - Universal - Each
HOLLEY 554-114LW ECU Dominator V5 Light Weight Red
$4,287.41
$3,429.93
HLY554-114LW
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - Dominator EFI - Lightweight - Red - Universal - Each
HOLLEY 554-115 Solenoid Driver Module Water/Methanol 2-Channel
$130.01
HLY554-115
Air and Fuel
Air and Fuel Cooling Systems and Components
All Products
HOLLEY
Water/Methanol Injection Components
High Current Peak and Hold Module - Solenoid Driver - 2 Channel - Holley EFI - Kit
HOLLEY 554-118 Crank Sensor HE Flying Magnet
$259.60
HLY554-118
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Speed and Position Sensors
Crank Trigger Sensor - Hall Effect Crank Trigger - Screw-In - 3/4-16 in Thread - Plug / Pins - Kit
HOLLEY 554-121 Air Temp Sensor Terminator Series
$42.49
HLY554-121
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Temperature Sensors
Air Temp Sensor - Terminator Series - Plastic - Each
HOLLEY 554-122 4 Channel Coil Driver Kit
$418.86
HLY554-122
All Products
HOLLEY
Ignition Boxes and Components
Ignition Boxes and Controllers
Ignitions and Electrical
Ignition Coil Drivers - 4 Channel - Pair
HOLLEY 554-124 Crankshaft Sensor use w/ Ferrous Metal Target
$281.02
HLY554-124
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Speed and Position Sensors
Crank Trigger Sensor - 12 mm x 1.00 Thread - Ferrous - Holley EFI Kits - Kit
HOLLEY 554-125 Camshaft Sensor w/Flying Magnet Target 12mmx1
$248.96
HLY554-125
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Speed and Position Sensors
Cam Position Sensor - 12 mm x 1.00 Thread - Flying Magnet - Holley EFI Kits - Kit
HOLLEY 554-127 Camshaft Sensor w/Flying Magnet Target 1/4-20x3/8
$345.89
HLY554-127
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Speed and Position Sensors
Cam Position Sensor - 12 mm x 1.00 Thread - Target Included - Flying Magnet - Holley EFI Kits - Kit
HOLLEY 554-128 Protection Module - Transbrake Input
$80.63
HLY554-128
All Products
HOLLEY
Ignitions and Electrical
Wiring Components
Wiring Pigtails
Transbrake Protection Module - Transbrake Input - Holley EFI - Kit
HOLLEY 554-130 EFI Gauge Module Anolog Style Can Gauges
$206.54
HLY554-130
All Products
Gauge Wiring Harnesses
HOLLEY
Ignitions and Electrical
Wiring Harnesses
Gauge Wiring Harness - Analog Gauges - Holley EFI CAN Gauges - Universal - Each
HOLLEY 554-133 Map Sensor - 1 Bar
$282.16
HLY554-133
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Map Sensors
Map Sensor - 1 bar - 1/8-27 NPT Thread - Each
HOLLEY 554-134 MAP Sensor - 3.5 Bar
$259.60
HLY554-134
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Map Sensors
Map Sensor - 3.5 bar - Up to 37.45 psi - 1/8 in NPT Male Thread - Connector Included - Stainless - Each
HOLLEY 554-135 MAP Sensor - 7 Bar
$282.16
HLY554-135
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Map Sensors
Map Sensor - 7 Bar - Up to 88.4 psi - 1/8 in NPT Male Thread - Connector Included - Each
HOLLEY 554-136 Pressure Transducer - 500-PSI
$282.16
HLY554-136
Air and Fuel
All Products
Fuel Injection Systems and Components - Electronic
HOLLEY
Pressure Sensors
Pressure Sending Unit - Electric - 1/8 in NPT Male Thread - Harness Included - 500 psi - Kit
HOLLEY 554-140 GPS Digital Dash USB Module
$150.92
HLY554-140
All Products
Digital Gauge Kits
Gauge Kits
Gauges and Accessories
HOLLEY
Speedometer Sending Unit - GPS Tracking - 10Hz - 46 in Long Cord - Magnetic Base - Holley Digital Dash - Each
HOLLEY 554-142 Module - Injecter Module w/Harness
$790.30
HLY554-142
All Products
Computer Modules
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Computer Module - Injector Driver - 8 Channel - Wiring Harness - Holley EFI - Each
HOLLEY 554-152 Terminator X ECU Service Unit
$1,177.87
HLY554-152
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - Terminator X - Wiring Harness - Map Sensor Included - Each
HOLLEY 554-153 Terminator X-Max ECU
$1,641.69
HLY554-153
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - Terminator X Max - Wiring Harness - Map Sensor Included - Each
HOLLEY 554-155 Wideband O2 Sensor Sniper TBI
$214.08
HLY554-155
Air and Fuel
All Products
HOLLEY
Oxygen Sensors
Oxygen Sensors, Controllers and Components
Oxygen Sensor - Sniper EFI - Wideband - Bosch LSU 4.9 - Sniper EFI Systems - Each
HOLLEY 554-157 EFI ECU Bracket - 79-04 Mustang
$142.79
HLY554-157
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
ECU Mounting Bracket - Bolt-On - Under Seat Mount - Steel - Black Powder Coat - Ford Mustang 1979-2004 - Each
HOLLEY 554-162 Analog EFI G-Meter 2 Axis
$572.99
HLY554-162
All Products
Data Acquisition
Data Acquisition and Components
HOLLEY
Ignitions and Electrical
G-Meter - Harness Included - Plastic - Black - Holley V5 ECU - Each
HOLLEY 554-165 Input/Output Can Module w/Harness
$645.43
HLY554-165
All Products
Computers and Components
Computers, Chips, Modules and Programmers
HOLLEY
Ignitions and Electrical
Engine Control Module - Holley EFI - Wiring Harness - Input / Output Module - Universal - Kit
HOLLEY 554-178 1/4 EGT Probe - Open Tip 90-Degree 32.25in Length
$179.86
HLY554-178
All Products
Data Acquisition
Data Acquisition and Components
HOLLEY
Ignitions and Electrical
EGT Probe - 90 Degree - Open Tip - 1/4 in Diameter Probe - 32-1/4 in Wire - Each
HOLLEY 554-186 EGT 8-Channel Kit
$2,675.66
$2,140.53
HLY554-186
All Products
Data Acquisition
Data Acquisition and Components
HOLLEY
Ignitions and Electrical
EGT Probe KIT - 8 Channel - 90 Degree - Open Tip - 1/4 in Diameter Probe - 32-1/4 in Wire - Bungs /...
HOLLEY 554-190 CAN Module 8-Channel EGT Controller
$1,194.95
HLY554-190
All Products
Data Acquisition
Data Acquisition and Components
HOLLEY
Ignitions and Electrical
CAN Module - Holley EFI - EGT Controller - 8-Channel - Each
HOLLEY 554-200 Sniper 2 PDM
$249.97
HLY554-200
All Products
HOLLEY
Ignitions and Electrical
Relays/Relay Kits
Wiring Components
Power Distribution Module - Sniper EFI - 3 Channel - 15 / 25 / 25 amps - Waterproof - Plastic - Black - Each
HOLLEY 556-112 EFI HP Smart Coil
$120.92
HLY556-112
All Products
HOLLEY
Ignition Coils
Ignition Components
Ignitions and Electrical
Ignition Coil - Coil-Near-Plug Smart Coil - E-Core - Male HEI - 44000V - Black - Each