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Holley 556-120 Cam Sync Kit - BBC w/ +.400 Raised Cam
Holley 556-120 Cam Sync Kit - BBC w/ +.400 Raised Cam

Crankshaft Position Sensors

$399.95
Holley 556-119
Holley 556-119 Cam Sync System - SBC w/Std. Cam Height

Crankshaft Position Sensors

$371.95
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Holley 556-116 Crank Trigger Kit - SBC 8in 36-1 Tooth
Holley 556-116 Crank Trigger Kit - SBC 8in 36-1 Tooth

Crank Trigger Kits

$799.95
Holley 556-115 Crank Trigger Kit - SBF 7.25in 36-1 Tooth
Holley 556-115 Crank Trigger Kit - SBF 7.25in 36-1 Tooth

Crank Trigger Kits

$727.95
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Holley 556-114 Cam Sync System - BBC w/Std. Cam Height
Holley 556-114 Cam Sync System - BBC w/Std. Cam Height

Crankshaft Position Sensors

$371.95
Holley 556-113 Crank Trigger Kit - BBC 8in 36-1 Tooth
Holley 556-113 Crank Trigger Kit - BBC 8in 36-1 Tooth

Crank Trigger Kits

$699.95
Holley 556-112 EFI HP Smart Coil
Holley 556-112 EFI HP Smart Coil

Ignition Coils

$99.95
Holley 554-186 EGT 8-Channel Kit
Holley 554-186 EGT 8-Channel Kit

Data Acquisition Components

$1,599.95
Holley 554-178 1/4 EGT Probe - Open Tip 90-Degree 32.25in Length
Holley 554-178 1/4 EGT Probe - Open Tip 90-Degree 32.25in Length

Data Acquisition Components

$133.95
Holley 554-162 Analog EFI G-Meter 2 Axis
Holley 554-162 Analog EFI G-Meter 2 Axis

Performance Meters

$467.95
Holley 554-155 Wideband O2 Sensor Sniper TBI
Holley 554-155 Wideband O2 Sensor Sniper TBI

Oxygen Sensors

$169.95
Holley 554-142 Module - Injecter Module w/Harness
Holley 554-142 Module - Injecter Module w/Harness

Fuel Injector Driver Modules

$659.95
Holley 554-140 GPS Digital Dash USB Module
Holley 554-140 GPS Digital Dash USB Module

Fuel Injection System Components

$112.95
Holley 554-136 Pressure Transducer - 500-PSI
Holley 554-136 Pressure Transducer - 500-PSI

Fuel Injection System Components

$207.95
Holley 554-135 MAP Sensor - 7 Bar
Holley 554-135 MAP Sensor - 7 Bar

MAP Sensors

$207.95
Holley 554-134 MAP Sensor - 3.5 Bar
Holley 554-134 MAP Sensor - 3.5 Bar

MAP Sensors

$194.95
Holley 554-133 Map Sensor - 1 Bar
Holley 554-133 Map Sensor - 1 Bar

MAP Sensors

$207.95
Holley 554-128 Protection Module - Transbrake Input
Holley 554-128 Protection Module - Transbrake Input

Alternator Wiring Kits

$63.19
Holley 554-127 Camshaft Sensor w/Flying Magnet Target 1/4-20x3/8
Holley 554-127 Camshaft Sensor w/Flying Magnet Target 1/4-20x3/8

Crankshaft Position Sensors

$278.95
Holley 554-125 Camshaft Sensor w/Flying Magnet Target 12mmx1
Holley 554-125 Camshaft Sensor w/Flying Magnet Target 12mmx1

Crankshaft Position Sensors

$199.95
Holley 554-124 Crankshaft Sensor use w/ Ferrous Metal Target
Holley 554-124 Crankshaft Sensor use w/ Ferrous Metal Target

Crankshaft Position Sensors

$199.95
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Holley 554-122 8 Channel Coil Driver Kit
Holley 554-122 8 Channel Coil Driver Kit

Ignition Coil Drivers

$331.95
Holley 554-121 Air Temp Sensor Terminator Series
Holley 554-121 Air Temp Sensor Terminator Series

Coolant Temperature Sensors

$33.27
Holley 554-118 Crank Sensor HE Flying Magnet
Holley 554-118 Crank Sensor HE Flying Magnet

Crankshaft Position Sensors

$194.95
Holley 554-117 Crank Sensor w/Pigtail
Holley 554-117 Crank Sensor w/Pigtail

Crankshaft Position Sensors

$173.95
Holley 554-115
Holley 554-115 Solenoid Driver Module Water/Methanol 2-Channel

Water/Methanol Injection System Controllers

$91.95
Holley 554-114 ECU Only Dominator
Holley 554-114 ECU Only Dominator

Engine Management Systems

$2,499.95
Holley 554-113 HP Series EFI ECU Only
Holley 554-113 HP Series EFI ECU Only

Engine Management Systems

$2,099.95
Holley 554-111 Nitrous Solenoid Driver
Holley 554-111 Nitrous Solenoid Driver

Nitrous Oxide Controller Components

$145.95
Holley 554-108
Holley 554-108 5 Bar Map Sensor

MAP Sensors

$183.95
Holley 554-107 3 Bar Map Sensor
Holley 554-107 3 Bar Map Sensor

MAP Sensors

$155.95
Holley 554-104 Pressure Transducer - 1600psi
Holley 554-104 Pressure Transducer - 1600psi

Fuel Injection System Components

$225.95
Holley 554-103 Pressure Sensor 200psi
Holley 554-103 Pressure Sensor 200psi

Fuel Injection System Components

$225.95
Holley 554-102 100PSI Sensor
Holley 554-102 100PSI Sensor

Fuel Injection System Components

$155.95
Holley 554-101 Bosch O2 Sensor
Holley 554-101 Bosch O2 Sensor

Oxygen Sensors

$207.95
Holley 554-100 NTK O2 Sensor
Holley 554-100 NTK O2 Sensor

Oxygen Sensors

$382.95
Holley 553-115 Sniper EFI 3.5 Touch Screen LCD Controller
Holley 553-115 Sniper EFI 3.5 Touch Screen LCD Controller

Fuel Injection System Components

$419.95
Holley 553-112 EFI 6.86” Pro Dash, digital Plug-and-Play display support for Dominator, HP, Terminator X & Sniper EFI systems, 200 Monitoring Channels
Holley 553-112 EFI Pro Dash 6.86" Digital Screen

Fuel Injection System Components

$1,349.95
Holley 553-111 Pro Digital Dash Panel
Holley 553-111 Pro Digital Dash Panel

Fuel Injection System Components

$2,199.95
Holley 553-109
Holley 553-109 Holley Digital Dash - Stand Along Design.

Fuel Injection System Components

$1,749.95
Holley 553-108
Holley 553-108 Holley EFI 3.5in LCD Touch Screen Controller

Engine Management Systems

$419.95
Holley 553-106
Holley 553-106 EFI Digital Dash

Fuel Injection System Components

$967.95
HLY550-937 Terminator X
Holley 550-937 Terminator X Ford Kit

Engine Management Systems

$1,599.95
HLY550-936 Terminator X
Holley 550-936 Terminator X Universal

Engine Management Systems

$1,599.95
Holley 550-934 Terminator X Max EFI, fits GM LS1/LS6 engines using 4L60E/4L80E transmissions, 3.5 inch Touchscreen, EV6 Injector Harness, sold as a kit
Holley 550-934 Terminator X Max EFI GM LS1/LS6

Engine Management Systems

$2,199.95
HLY550-932 Terminator X
Holley 550-932 Terminator X Max

Engine Management Systems

$1,999.95
Holley 550-931 Terminator X Max EFI, fits GM LS 4.8/5.3/6.0L truck and LS2/LS3 engines, 3.5 inch Touchscreen, EV6 Injector Harness, sold as a kit
Holley 550-931 Terminator X Max EFI GM LS Truck 4.8-6.2L

Engine Management Systems

$1,999.95
HLY550-929 Terminator X
Holley 550-929 Terminator X Max MPFI System GM LS 24X/1X

Engine Management Systems

$1,999.95