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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
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Injector Driver Module
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Universal EFI Interface Module
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$426.95
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Spark Plug Wire Sync Kit
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$110.95
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Holley EFI 8 Channel CAN EGT Kit
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$1,099
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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
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$674.95
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Roll Bar Mount Switch Box - 9 Button, Pre-Wired
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$609.95
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Roll Bar Mount Switch Box - 7 Button, Pre-Wired
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$549.95
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Fuse & Relay Systems
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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
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$419.95
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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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LS Swap Harnesses
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Standalone Harness - Gen III LS / Vortec DBC with Manual Transmission
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Standalone Harness - Gen IV LSA Supercharged
Regular price
$789.95
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Standalone Harness - Gen III LS / Vortec DBW with Auto Transmission
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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
Regular price
$749.95
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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
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Standalone Harness - Gen III LS / Vortec DBC with 4L80E
Regular price
$644.95
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