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Jolt Systems
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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
      High Power IGN-1A Smart Coil Harness Kit for v8 Engines
      Sold Out
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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 $674.95
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      Order Form for Custom Holley EFI Harness System
      Order Form for Custom Holley EFI Harness System
      Regular price $50
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      High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular
      High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular
      Sold Out
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  • Accessories & Components
      Accessories & Components
    • All
    • ECU's & Controllers
    • Sensors & Inputs
    • Ignition & Outputs
    • Loggers, Displays & Gauges
    • Trans Brake Input Protection Module
      Trans Brake Input Protection Module
      Regular price $32.71
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      Injector Driver Module
      Injector Driver Module
      From $372.95
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      Universal EFI Interface Module
      Universal EFI Interface Module
      Regular price $426.95
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      CAN Bus Terminating Resistor Cap
      CAN Bus Terminating Resistor Cap
      Regular price $19.25
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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
      From $429.95
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      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      Roll Bar Mount Switch Box - 11 Button, Pre-Wired
      Regular price $487.95
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      Roll Bar Mount Switch Box - 9 Button, Pre-Wired
      Roll Bar Mount Switch Box - 9 Button, Pre-Wired
      Regular price $509.95
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      Roll Bar Mount Switch Box - 7 Button, Pre-Wired
      Roll Bar Mount Switch Box - 7 Button, Pre-Wired
      Regular price $401.95
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  • Wiring Kits
      Wiring Kits
    • All
    • Fuse & Relay Systems
    • Tools & DIY
    • Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
      From $429.95
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      Bosch Intercooler Pump Relay Harness
      Bosch Intercooler Pump Relay Harness
      Regular price $49.95
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      Shock Travel Harness Kit
      Shock Travel Harness Kit
      From $140
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      Stage II HD Load Center - 11 Fuse 8 Relay
      Stage II HD Load Center - 11 Fuse 8 Relay
      Regular price $189.95
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  • More
    • Nitrous Systems
    • Traction Control
    • Aparel & Merch
    • Installation Services
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We're open! Ryan is out of the hospital and we're working hard to catch up while he recovers. Orders are shipping with delays. See our Facebook page for details and contact us with any questions. Thank you for your understanding.

LS Swap Harnesses

Standalone Harness - Gen III LS / Vortec DBC with Manual Transmission
Standalone Harness - Gen III LS / Vortec DBC with Manual Transmission
Sold Out
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Standalone Harness - Gen IV LSA Supercharged
Standalone Harness - Gen IV LSA Supercharged
Regular price $789.95
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Standalone Harness - Gen III LS / Vortec DBW with Auto Transmission
Standalone Harness - Gen III LS / Vortec DBW with Auto Transmission
Sold Out
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Standalone Harness - Gen III LS / Vortec DBC with 4L60/65E
Standalone Harness - Gen III LS / Vortec DBC with 4L60/65E
Regular price $634.95
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Standalone Harness - Gen IV LS / Vortec with Auto Trans
Standalone Harness - Gen IV LS / Vortec with Auto Trans
Regular price $749.95
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Standalone Harness - Gen IV LS / Vortec with Manual Trans
Standalone Harness - Gen IV LS / Vortec with Manual Trans
Regular price $699.95
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Standalone Harness - Gen III LS / Vortec DBC with LSA Supercharger
Standalone Harness - Gen III LS / Vortec DBC with LSA Supercharger
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Standalone Harness - Gen III LS / Vortec DBC with 4L80E
Standalone Harness - Gen III LS / Vortec DBC with 4L80E
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Jolt Systems, LLC

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