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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
    • 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 $194.95
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      Holley EFI Main Power Harness
      Holley EFI Main Power Harness
      From $69.95
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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
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      High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Long Leads
      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
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    • Loggers, Displays & Gauges
      • TCA-8 Eight Channel Thermocouple Amplifier EGT
      TCA-8 Eight Channel Thermocouple Amplifier EGT
      Regular price $489
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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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    • Roll Bar Mount
    • Dash Mount
    • Vehicle Specific
      • 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 - 8 Rocker, Pre-Wired
      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
      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
      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
      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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      Basic HD Relay Center for Engine Management Systems
      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
      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      Regular price $708.95
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Accessories & Components

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Accessories & Components

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Accessory Harnesses

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Bosch Intercooler Pump Relay Harness

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Custom Services

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Dash Mount Switch Panels

ecu Wiring DIY

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ecu Wiring DIY

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Fuse & Relay Systems

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*GARAGE SALE* Dominator EFI GM Drive-By-Wire Harness

Gen III LS Standalone Harnesses

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Gen III LS Standalone Harnesses

Gen IV LS Standalone Harnesses

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Gen IV LS Standalone Harnesses

Haltech

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High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount

Holley EFI

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Holley EFI

Holley-Compatible Injector Harnesses

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Bosch 210 Denso Injector Harness for Holley EFI

Jolt Systems Products

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Holley EFI EZ Flex Fuel Harness E85

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Loggers, Displays & Gauges

LS Swap Harnesses

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LS Swap Harnesses

Nitrous Express

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Nitrous Express

Outputs

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High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount

Roll Bar Mount Switch Panels

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Roll Bar Mount Switch Panels

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Sensors

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Switch Panels

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Flying Lead Harness for Power Distribution - Jolt Systems EFI Harness

Vehicle Specific Switch Panels

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Filler Panel - 99-07 Silverado Radio Replacement Blank

Wiring Kits

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Flying Lead Harness for Power Distribution - Jolt Systems EFI Harness

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