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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
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Loggers, Displays & Gauges
TCA-8 Eight Channel Thermocouple Amplifier EGT
Regular price
$489
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HPI8 High Power Igniter - 15A Eight Channel
From $402
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Switch Panels
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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Sealed Momentary Push Button - Pair
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Connector Kit - Male Oxygen Sensor White Truck Style
From $6.95
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Connector Kit - Weatherpack 3 Pin Tower TPS Hall Effect
From $5.95
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Connector Kit - Male / Female Metripack 280 Two Position
Regular price
$10.95
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Connector Kit - GT150 10 Pin Male
From $7.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key C, Holley J3 & More
Regular price
$34.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key B, Holley J2B & More
Regular price
$34.95
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ECU Connector Kit - SuperSeal 1.0 34pos Key B, Holley J2A & More
Regular price
$32.95
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Connector Kit -4-Pin LSX / LTX Oxygen Sensor & Coyote Fuel Rail Pressure
Regular price
$8.95
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Connector Kit - 3 Position Metripack 150 Male Black
Regular price
$7.95
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Connector Kit - 10 Position Metripack 150 Male Black
Regular price
$9.95
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Connector Kit - Deutsch DT04-2P
Regular price
$6.95
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Connector Kit - GT150 10 Pin Female Plug
From $7.95
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Connector Kit - Bosch Timer EV1
From $6.95
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Connector Kit - Weatherpack 3 Pin Shroud TPS Hall Effect
From $5.95
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Connector Kit - GM IAT / MAT Sensor
From $7.95
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Connector Kit - LS2 & LS3 Knock Sensor
From $5.95
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Connector Kit - Mate for Holley ECU Driver Module Main Power
Regular price
$8.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key A, Holley J1B & More
Regular price
$27.95
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Connector Kit - 8 Pos Deutsch Flange Mount with Weld-On Bar Flange
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