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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 $1,164.95
      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 $549.95
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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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    • 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 $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
      View
  • 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 $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 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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  • More
    • Aparel & Merch
    • Installation Services
    • Garage Sale & Closeout
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INDEPENDENCE DAY SALE 10% OFF $250 AT CHECKOUT! July 3rd-5th

Tools & DIY

Connector Kit - GT150 10 Pin Female Plug
Connector Kit - GT150 10 Pin Female Plug
From $7.95
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Timer 2.8 connector used most commonly for EV1 style injectors and the Bosch LSA intercooler pump
Connector Kit - Bosch Timer EV1
From $6.95
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Connector Kit - Weatherpack 3 Pin Shroud TPS Hall Effect
Connector Kit - Weatherpack 3 Pin Shroud TPS Hall Effect
From $5.95
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 DelphiGT connector used for GMbintake air temperature sensors.
Connector Kit - GM IAT / MAT Sensor
From $7.95
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Connector Kit - LS2 & LS3 Knock Sensor
Connector Kit - LS2 & LS3 Knock Sensor
From $5.95
View
Flying Lead Harness for Power Distribution
Flying Lead Harness for Power Distribution - Jolt Systems Haltech NEXUS EFI Harness
Regular price $15.95
View
ECU Connector Kit - SuperSeal 1.0 26pos Key A, Holley J1B & More
ECU Connector Kit - SuperSeal 1.0 26pos Key A, Holley J1B & More
Regular price $27.95
View
Connector Kit - 8 Pos Deutsch Flange Mount with Weld-On Bar Flange
Connector Kit - 8 Pos Deutsch Flange Mount with Weld-On Bar Flange
Sold Out
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Metripack male connector for the engine harness side of LS1 Camaro O2 sensors.
Connector Kit - Male Oxygen Sensor Black LS1
From $6.95
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Connector Kit - Metripack 150 Two Position Female
Connector Kit - Metripack 150 Two Position Female
From $5.95
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Crimp Tool - 12-10 awg
Crimp Tool - 12-10 awg
Sold Out
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Crimp Tool - Molex 24-14 awg
Crimp Tool - Molex 24-14 awg
Sold Out
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Crimp Tool - Metripack 18-14 awg
Crimp Tool - Metripack 18-14 awg
Regular price $31.95
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