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  • EFI Systems
      EFI Systems
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    • Holley EFI
    • Haltech Elite
    • AEM Infinity
    • GM Factory ECU
      • Gen III 24x
      • Gen IV 58x
    • MegaSquirt
    • Ignition & Add-On Harnesses
    • High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
      High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
      From $183.95
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      4th Gen F Body Plug-and-Play LSX Harness for Holley EFI
      4th Gen F Body Plug-and-Play LSX Harness for Holley EFI
      Regular price $1,164.95
      View
      High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular & Coyote
      High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular & Coyote
      From $272.95
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      Holley EFI CAN Bus Splitter
      Holley EFI CAN Bus Splitter
      Regular price $38.95
      View
  • Accessories & Components
      Accessories & Components
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    • ECU's & Controllers
    • Sensors & Inputs
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    • Loggers, Displays & Gauges
    • Injector Driver Module
      Injector Driver Module
      From $455.95
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      Crank Cam Converter Module
      Crank Cam Converter Module
      Sold Out
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      TCA-8 Eight Channel Thermocouple Amplifier EGT
      TCA-8 Eight Channel Thermocouple Amplifier EGT
      Regular price $485
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      HPI8 High Power Igniter - 15A Eight Channel
      HPI8 High Power Igniter - 15A Eight Channel
      From $402
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  • Switch Panels
      Switch Panels
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    • Dash Mount
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    • Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      From $603.95
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      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      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
      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
      Roll Bar Mount Switch Box - 7 Rocker & E-Stop, Pre-Wired
      From $603.95
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  • Wiring Kits
      Wiring Kits
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    • Fuse & Relay Systems
    • Tools & DIY
    • Bosch Intercooler Pump Relay Harness
      Bosch Intercooler Pump Relay Harness
      Regular price $74.95
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      VariMax ZL1 Intercooler Pump Relay Harness
      VariMax ZL1 Intercooler Pump Relay Harness
      Regular price $79.95
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      Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      From $603.95
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      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      Regular price $708.95
      View
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Shipping will be paused 12/28 - 1/4 for inventory recap / holiday shutdown. Full operations will resume on Thursday 1/5. Happy New Year!

Accessory Harnesses

Bosch 210 Denso Injector Harness for Holley EFI
Bosch 210 Denso Injector Harness for Holley EFI
Regular price $137.95
View
Bosch Intercooler Pump Relay Harness
Bosch Intercooler Pump Relay Harness
Regular price $74.95
View
VariMax ZL1 Intercooler Pump Relay Harness
VariMax ZL1 Intercooler Pump Relay Harness
Regular price $79.95
View
EV1 Injector Harness for Holley EFI
EV1 Injector Harness for Holley EFI
Regular price $137.95
View
Holley EFI Main Power Harness
Holley EFI Main Power Harness
From $61.95
View
Plug-and-Play Harness Kit for Staged Injectors - Holley Dominator
Plug-and-Play Harness Kit for Staged Injectors - Holley Dominator
From $104.95
View
EV6 / EV14 Injector Harness for Holley EFI
EV6 / EV14 Injector Harness for Holley EFI
Regular price $138.95
View
Shock Travel Harness Kit
Shock Travel Harness Kit
From $154.95
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LS Coil Harness Relocation Set - LS3 / Truck
LS Coil Harness Relocation Set - LS3 / Truck
From $139.95
View
Power Tap Harness for Holley EFI
Power Tap Harness for Holley EFI
From $14.95
View
LS Coil Harness Set - LS1, Rear Connection
LS Coil Harness Set - LS1, Rear Connection
Regular price $139.95
View
Plug-and-Play Driver Module Harness Kit for Staged Injectors
Plug-and-Play Driver Module Harness Kit for Staged Injectors
Regular price $334.95
View
Coil On Plug Pin-In Harness
Coil On Plug Pin-In Harness
Regular price $70.95
View
Multec Injector Harness for Holley EFI (Early GM Truck)
Multec Injector Harness for Holley EFI (Early GM Truck)
Regular price $138.95
View
HPI8 High Power Igniter - 15A Eight Channel
HPI8 High Power Igniter - 15A Eight Channel
From $402
View
12 Channel CAN I/O Expander
12 Channel CAN I/O Expander
From $402
View
Spark Plug Wire Sync Kit
Spark Plug Wire Sync Kit
Regular price $140.95
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CAN bus vNet Cable - MSD Power Grid to AEM CD Dash
CAN bus vNet Cable - MSD Power Grid to AEM CD Dash
Regular price $104.95
View

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