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Holley EFI
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Gen III 24x
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Ignition & Add-On Harnesses
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
From $194.95
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Holley EFI Main Power Harness
From $69.95
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4th Gen F Body Plug-and-Play LSX Harness for Holley EFI
Regular price
$1,164.95
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High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Long Leads
From $194.95
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Accessories & Components
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ECU's & Controllers
Sensors & Inputs
Ignition & Outputs
Loggers, Displays & Gauges
TCA-8 Eight Channel Thermocouple Amplifier EGT
Regular price
$549.95
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HPI8 High Power Igniter - 15A Eight Channel
From $402
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Switch Panels
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Roll Bar Mount
Dash Mount
Vehicle Specific
Roll Bar Mount Switch Box - 11 Button, Pre-Wired
Regular price
$708.95
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Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
Regular price
$603.95
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Roll Bar Mount Switch Box - 9 Button, Pre-Wired
Regular price
$640.95
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Roll Bar Mount Switch Box - 7 Rocker & E-Stop, Pre-Wired
Regular price
$603.95
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Wiring Kits
Wiring Kits
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Fuse & Relay Systems
Tools & DIY
Bosch Intercooler Pump Relay Harness
Regular price
$74.95
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VariMax ZL1 Intercooler Pump Relay Harness
Regular price
$79.95
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Basic HD Relay Center for Engine Management Systems
Regular price
$259.95
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Roll Bar Mount Switch Box - 11 Button, Pre-Wired
Regular price
$708.95
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Accessory Harnesses
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Bosch 210 Denso Injector Harness for Holley EFI
Regular price
$137.95
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Bosch Intercooler Pump Relay Harness
Regular price
$74.95
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Holley EFI Main Power Harness
From $69.95
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VariMax ZL1 Intercooler Pump Relay Harness
Regular price
$79.95
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EV1 Injector Harness for Holley EFI
Regular price
$137.95
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Plug-and-Play Harness Kit for Staged Injectors - Holley Dominator
From $149.95
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Power Tap Harness for Holley EFI
From $14.95
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EV6 / EV14 Injector Harness for Holley EFI
Regular price
$138.95
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Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors
From $189.95
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Shock Travel Harness Kit
From $154.95
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Plug-and-Play Driver Module Harness Kit for 8 Injectors
From $169.95
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Coil On Plug Pin-In Harness
Regular price
$70.95
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VariMax High-Flow Intercooler Pump Relay Harness
Regular price
$78.95
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PCE-BLDC CWA150 Intercooler Pump Relay Harness
Regular price
$74.95
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Multec Injector Harness for Holley EFI (Early GM Truck)
Regular price
$138.95
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FIC 3000cc Injector Harness for Holley EFI
Regular price
$138.95
Sale price
$125.06
Sale
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Injector Harness for Blower EFI Manifold - Holley EFI
Regular price
$157.95
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HPI8 High Power Igniter - 15A Eight Channel
From $402
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12 Channel CAN I/O Expander
From $402
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EV6 Injector Harness for Small Block & Big Block Ford
Regular price
$125.95
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