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Holley EFI
Haltech Elite
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GM Factory ECU
Gen III 24x
Gen IV 58x
Ignition & Add-On Harnesses
Holley EFI Main Power Harness
From $69.95
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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
From $77.95
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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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ECU's & Controllers
Sensors & Inputs
Ignition & Outputs
Loggers, Displays & Gauges
TCA-8 Eight Channel Thermocouple Amplifier EGT
Regular price
$549.95
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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
Regular price
$708.95
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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
Regular price
$569.95
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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
Regular price
$74.95
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VariMax ZL1 Intercooler Pump Relay Harness
Regular price
$79.95
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Basic HD Relay Center for Standalone Engine Management Systems
Regular price
$259.95
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Power Tap Harness for Holley EFI
From $14.95
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Connector Kit - Ford Ignition Coil
From $8.95
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VariMax High-Flow Intercooler Pump Relay Harness
Regular price
$78.95
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Connector Kit - Engine Temperature VCT Cam Position Solenoid
From $7.95
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Connector Kit - Metripack 150 58x Crank Sensor LS1 MAP Sensor
From $7.95
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Bosch PCE-BLDC Intercooler Pump Relay Harness
Regular price
$74.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key B, Holley J2B & More
Regular price
$34.95
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Connector Kit - LS3 Card Style Mass Air Flow Sensor VVT Cam Sensor
From $9.95
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Connector Kit - 2 Pin Yellow Airbag Sensor
From $8.95
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Connector Kit - Deutsch DT06-08SA
Regular price
$9.95
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Filler Panel - 99-07 Silverado Radio Replacement Blank
Regular price
$49.95
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Heavy Duty Power Relay w/ Diode, SPST
Regular price
$42.95
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Roll Bar Mount Switch Box - 10 Button with E-Stop, Pre-Wired
Regular price
$708.95
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ECU Connector Kit - SuperSeal 1.0 26pos Key C, Holley J3 & More
Regular price
$34.95
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ECU Connector Kit - SuperSeal 1.0 34pos Key B, Holley J2A & More
Regular price
$32.95
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Connector Kit - 10 Position Metripack 150 Male Gray - Holley EFI Injector Harness (Main Engine Harness Side)
Regular price
$9.95
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Connector Kit - GM TPS & Pressure Sensor
From $7.95
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Crimp Tool - Metripack 24-14 awg
Sold Out
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ECU Connector Kit - SuperSeal 1.0 26pos Key D, Holley J4 & More
Regular price
$36.95
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Connector Kit - GT150 10 Pin Male
From $7.95
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Skirted 40A Mini ISO Relay, SPDT
Regular price
$7.95
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