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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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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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Holley EFI CAN Bus Splitter
Regular price
$38.95
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Accessories & Components
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ECU's & Controllers
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Injector Driver Module
From $455.95
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Crank Cam Converter Module
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TCA-8 Eight Channel Thermocouple Amplifier EGT
Regular price
$485
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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 Switch Box - 8 Rocker, Pre-Wired
Regular price
$603.95
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Roll Bar Mount Switch Box - 11 Button, Pre-Wired
Regular price
$708.95
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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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Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
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$603.95
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Basic HD Relay Center for Engine Management Systems
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$259.95
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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 $61.95
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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 $104.95
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EV6 / EV14 Injector Harness for Holley EFI
Regular price
$138.95
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Power Tap Harness for Holley EFI
From $14.95
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Shock Travel Harness Kit
From $154.95
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LS Coil Harness Relocation Set - LS3 / Truck
From $139.95
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Plug-and-Play Driver Module Harness Kit for Staged Injectors
From $144.95
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Coil On Plug Pin-In Harness
Regular price
$70.95
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Multec Injector Harness for Holley EFI (Early GM Truck)
Regular price
$138.95
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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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