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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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Holley EFI Main Power Harness
From $61.95
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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
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Injector Driver Module
From $469.95
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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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Universal EFI Interface Module
Regular price
$480.95
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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 - 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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Basic HD Relay Center for Engine Management Systems
Regular price
$259.95
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VariMax ZL1 Intercooler Pump Relay Harness
Regular price
$79.95
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Roll Bar Mount Switch Box - 11 Button, Pre-Wired
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$708.95
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LSU4.9 Wideband O2 Sensor
Regular price
$139.95
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LSX Cam Sensor Extension
Regular price
$29.95
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LSX Coil Conversion Harness Kit for Holley EFI / Ford Modular & Coyote
Regular price
$156.95
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LSX Knock Sensor Adapter Harness
Regular price
$54.95
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LSX Style Drive By Wire Throttle Harness - Holley EFI
Regular price
$174.95
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MAP Sensor Adapter - LS1 Delphi to LS3 Bosch
From $28.95
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MAP Sensor Adapter - LS1 Delphi to Transducer
From $22.95
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MSD 6EFI Ignition Box
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MSD 6EFI Ignition Coil - Black
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MSD Dual Sync Distributor - Chrysler 318-360, Black
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MSD Power Grid System - Controller Only
Regular price
$576.95
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Multec Injector Harness for Holley EFI (Early GM Truck)
Regular price
$138.95
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Nexus R3 Tube Mount Kit
Regular price
$125
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Nexus R3 VCU
Regular price
$2,399
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Nexus R5 VCU
Regular price
$4,299
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Nexus R5 VCU + Plug and Pin Set
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Nexus R5 VCU + Universal Wire-In Harness Kit
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NTK Wideband Oxygen Sensor - Holley EFI
Regular price
$318.95
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PCM Mount Set
From $29.95
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Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors
From $144.95
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