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Holley EFI
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Ignition & Add-On Harnesses
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
From $219.95
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Holley EFI Main Power Harness
From $69.95
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Secondary Wideband O2 Harness - Holley EFI J2A
From $77.95
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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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Accessories & Components
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ECU's & Controllers
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TCA-8 Eight Channel Thermocouple Amplifier EGT
Regular price
$549.95
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HPI8 High Power Igniter - 15A Eight Channel
From $425
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Switch Panels
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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 - 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 - 6 Rocker & E-Stop, Pre-Wired
Regular price
$561.95
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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 Standalone Engine Management Systems
Regular price
$259.95
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Power Tap Harness for Holley EFI
From $14.95
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HP EFI ECU
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ECU Connector Kit - SuperSeal 1.0 26pos Key A, Holley J1B & More
Regular price
$27.95
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2013+ Gen III HEMI & Hellcat Drive By Wire Throttle Harness - Holley EFI
Regular price
$174.95
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