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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
    • Ignition & Add-On Harnesses
    • Holley EFI Main Power Harness
      Holley EFI Main Power Harness
      From $69.95
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      IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
      IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
      From $219.95
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      Secondary Wideband O2 Harness 
 Holley Dominator J2A
      Secondary Wideband O2 Harness - Holley Dominator J2A
      From $77.95
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      Jolt Systems 4th Gen F-Body plug-and-play LSX engine harness for Holley EFI systems with factory gauge cluster integration
      4th Gen F Body Plug-and-Play LSX Harness for Holley EFI
      Regular price $1,204.95
      View
  • Accessories & Components
      Accessories & Components
    • All
    • ECU's & Controllers
    • Sensors & Inputs
    • Ignition & Outputs
    • Loggers, Displays & Gauges
    • TCA-8 Eight Channel Thermocouple Amplifier EGT
      TCA-8 Eight Channel Thermocouple Amplifier EGT
      Regular price $595
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      HPI8 High Power Igniter - 15A Eight Channel
      HPI8 High Power Igniter - 15A Eight Channel
      From $425
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  • Switch Panels
      Switch Panels
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    • 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 $614.95
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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 $569.95
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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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  • Wiring Kits
      Wiring Kits
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    • Fuse & Relay Systems
    • Tools & DIY
    • Connector Kits
    • Bosch Intercooler Pump Relay Harness
      Bosch Intercooler Pump Relay Harness
      Regular price $77.95
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      VariMax ZL1 Intercooler Pump Relay Harness
      VariMax ZL1 Intercooler Pump Relay Harness
      Regular price $82.95
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      Basic HD Relay Center for Standalone Engine Management Systems
      Basic HD Relay Center for Standalone Engine Management Systems
      Regular price $259.95
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      Power Tap Harness for Holley EFI
      Power Tap Harness for Holley EFI
      From $14.95
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Products

LSX Throttle Body - 90mm Gold Blade LS3 Style
LSX Throttle Body - 90mm Gold Blade LS3 Style
Sold Out
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MAP Sensor - LS3 Bosch (1BAR)
MAP Sensor - LS3 Bosch (1BAR)
Regular price $38.95
View
MAP Sensor Adapter LS1 Delphi to LS3 Bosch
MAP Sensor Adapter - LS1 Delphi to LS3 Bosch
From $28.95
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MAP Sensor Adapter - LS1 Delphi to Transducer
MAP Sensor Adapter - LS1 Delphi to Transducer
From $22.95
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MRBF / ZCASE Fuse - 30A
MRBF / ZCASE Fuse - 30A
Sold Out
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Multec / Delphi Injector Harness for GM LS
Multec / Delphi Injector Harness for GM LS
Regular price $139.95
View
Multec Injector Harness for Holley EFI Early GM Truck
Multec Injector Harness for Holley EFI (Early GM Truck)
Regular price $138.95
View
Nexus R3 Tube Mount Kit
Nexus R3 Tube Mount Kit
Regular price $130
View
Nexus R3 VCU
Nexus R3 VCU
Regular price $2,399
View
Nexus R5 VCU
Nexus R5 VCU
Regular price $4,415
View
Nexus R5 VCU + Plug and Pin Set
Nexus R5 VCU + Plug and Pin Set
Sold Out
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Nexus R5 VCU + Universal Wire-In Harness Kit
Nexus R5 VCU + Universal Wire-In Harness Kit
Sold Out
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NEXUS Rebel LS for Gen III 24x
NEXUS Rebel LS for Gen III 24x
Regular price $1,495
View
PCM Mount Set
PCM Mount Set
From $29.95
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Pierburg CWA100 CWA150 Intercooler Pump Relay Harness
Pierburg CWA100 / CWA150 Intercooler Pump Relay Harness
Regular price $82.95
View
Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors
Plug-and-Play Driver Module Harness Kit for 16 Staged Injectors
From $299.95
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Plug-and-Play Driver Module Harness Kit for 8 Injectors
Plug-and-Play Driver Module Harness Kit for 8 Injectors
From $329.95
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Plug-and-Play Harness Kit for 16 Staged Injectors Holley Dominator
Plug-and-Play Harness Kit for 16 Staged Injectors - Holley Dominator
From $174.95
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Power Tap Harness for Holley EFI
Power Tap Harness for Holley EFI
From $14.95
View
Pressure Sensor Extension Harness
Pressure Sensor Extension Harness
From $22.95
View
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Jolt Systems, LLC

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