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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
    • 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
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  • Accessories & Components
      Accessories & Components
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    • 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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    • 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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    • 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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Outputs

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
View
IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Long Leads
IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Long Leads
From $222.95
View
IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular, Coyote, Godzilla
IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular, Coyote, Godzilla
From $225.95
View
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
View
Power Tap Harness for Holley EFI
Power Tap Harness for Holley EFI
From $14.95
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
View
Plug-and-Play Driver Module Harness Kit for 8 Injectors
Plug-and-Play Driver Module Harness Kit for 8 Injectors
From $329.95
View
IGN-1A Smart Coil Harness Kit for v8 Engines Remote Mount Short Leads
IGN-1A Smart Coil Harness Kit for v8 Engines - Remote Mount Short Leads
From $220.95
View
Coil On Plug Pin-In Harness With Power & Ground
Coil On Plug Pin-In Harness (Without Power & Ground)
Regular price $70.95
View
IGN-1A Smart Coil Harness Kit for Holley EFI  Late Model Hemi
IGN-1A Smart Coil Harness Kit for Holley EFI / Late Model Hemi
From $198.95
View
IGN-1A Smart Coil Harness Kit for Inline 6 Cylinder
IGN-1A Smart Coil Harness Kit for Inline 6 Cylinder
From $269.95
View
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
View
IGN-1A High Power Inductive Smart Coil
IGN-1A High Power Inductive Smart Coil
Regular price $88
View
Coil On Plug Pin-In Harness With Power & Ground
Coil On Plug Pin-In Harness (With Power & Ground)
Regular price $140.95
View
HPI8 High Power Igniter - 15A Eight Channel
HPI8 High Power Igniter - 15A Eight Channel
From $425
View

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