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Jolt Systems
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  • EFI Systems
      EFI Systems
    • All
    • 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 $194.95
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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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      Holley EFI Main Power Harness
      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
      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
    • Injector Driver Module
      Injector Driver Module
      From $469.95
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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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      Universal EFI Interface Module
      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 - 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 - 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 - 6 Rocker & E-Stop, Pre-Wired
      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
      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 - 8 Rocker, Pre-Wired
      Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      Regular price $603.95
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Featured Items

Bosch 210 Denso Injector Harness for Holley EFI
Bosch 210 Denso Injector Harness for Holley EFI
Regular price $137.95
View
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
View
Holley EFI CAN Bus Splitter
Holley EFI CAN Bus Splitter
Regular price $38.95
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 $282.95
View
Nexus R5 VCU
Nexus R5 VCU
Regular price $4,299
View
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
View
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Short Leads
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Short Leads
From $194.95
View
Vibration Isolator Mount Set
Vibration Isolator Mount Set
Regular price $38.95
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Holley EFI EZ Flex Fuel Harness
Holley EFI EZ Flex Fuel Harness
From $59.95
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LSX Coil Conversion Harness Kit for Holley EFI / Ford Modular & Coyote
LSX Coil Conversion Harness Kit for Holley EFI / Ford Modular & Coyote
Regular price $156.95
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High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Late Model Hemi
High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Late Model Hemi
From $282.95
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Nexus R3 VCU
Nexus R3 VCU
Regular price $2,399
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