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Holley EFI
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Gen III 24x
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Ignition & Add-On Harnesses
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
From $249.95
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4th Gen F Body Plug-and-Play LSX Harness for Holley EFI / Haltech
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High Power IGN-1A Smart Coil Harness Kit for Holley EFI / Ford Modular & Coyote
From $259.95
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Holley EFI CAN Bus Splitter
From $36.95
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Accessories & Components
Accessories & Components
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ECU's & Controllers
Sensors & Inputs
Ignition & Outputs
Loggers, Displays & Gauges
Injector Driver Module
From $392.95
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Universal EFI Interface Module
Regular price
$426.95
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Spark Plug Wire Sync Kit
Regular price
$110.95
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Holley EFI 8 Channel CAN EGT Kit
Regular price
$1,099
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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
From $574.95
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Roll Bar Mount Switch Box - 11 Button, Pre-Wired
Regular price
$674.95
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Roll Bar Mount Switch Box - 9 Button, Pre-Wired
Regular price
$609.95
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Roll Bar Mount Switch Box - 7 Button, Pre-Wired
Regular price
$549.95
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Wiring Kits
Wiring Kits
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Fuse & Relay Systems
Tools & DIY
Roll Bar Mount Switch Box - 8 Rocker, Pre-Wired
From $574.95
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Bosch Intercooler Pump Relay Harness
Regular price
$49.95
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Stage II HD Load Center - 11 Fuse 8 Relay
Regular price
$324.95
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Stage III HD Load Center - 14 Fuse 12 Relay
Regular price
$419.95
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Nitrous Systems
Traction Control
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PLEASE NOTE: Several of our products are built to order. Please contact before ordering if you have specific timeline needs with your build. Thank you!
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Fuse & Relay Systems
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Stage II HD Load Center - 11 Fuse 8 Relay
Regular price
$324.95
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Stage III HD Load Center - 14 Fuse 12 Relay
Regular price
$419.95
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Stage II Nitrous Relay Center - 14 Circuit / 8 Relay
Regular price
$324.95
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Stage IV HD Load Center - 21 Fuse 14 Relay
Regular price
$499.95
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Heavy Duty Power Relay w/ Diode, SPST
Regular price
$54.95
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Skirted 40A Mini Relay, SPDT
Regular price
$7.95
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Stage I HD Load Center - 7 Fuse 6 Relay
Regular price
$284.95
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Replacement Micro Relay w/ Diode, SPDT
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Replacement Micro Relay w/ Diode, SPST
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Replacement Ultra Micro Relay w/ Diode
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High Current Solid State Driver
Regular price
$68.21
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