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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
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
$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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Flying Lead Harness for Power Distribution - Jolt Systems EFI Harness
Regular price
$15.95
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Connector Kit - Holley ECU Driver Module Main Power
Regular price
$6.95
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Connector Kit - Crank / Cam Sensor
From $8.95
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Firewall Bulkhead Kit - Single Disconnect
Regular price
$139.95
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Connector Kit - 24x LS Crank & Cam Sensor
From $5.95
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Connector Kit - LS3 / LSA Bosch MAP Sensor
From $7.95
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Connector Kit - Engine Temperature VCT Cam Position Solenoid
From $7.95
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Connector Kit - Ignition Coil Bank 1 / Bank 2 (Pair) LSX Holley Harness
Regular price
$12.95
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Connector Kit - Sanden A/C Compressor Adapter
Regular price
$7.95
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Connector Kit - Metripack 150 58x Crank Sensor LS1 MAP Sensor
From $6.95
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Connector Kit - Deutsch DT06-08SA
Regular price
$9.95
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Connector Kit - LS3 Card Style Mass Air Flow Sensor VVT Cam Sensor
From $7.95
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Connector Kit - Ford Ignition Coil
From $13.82
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Crimp Tool - Metripack 24-14 awg
Sold Out
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Connector Kit - 10 Position Metripack 150 Male Gray - Holley EFI Injector Harness (Main Engine Harness Side)
Regular price
$9.95
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Connector Kit - GT150 10 Pin Male
From $7.95
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Connector Kit - GM TPS & Pressure Sensor
From $7.95
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Connector Kit - LSX Coolant Temp & VSS
From $7.95
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Connector Kit - LS1 AD Alternator Wiring Kit
From $9.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key D, Holley J4 & More
Regular price
$36.95
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