HOLLEY
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On Sale
Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU 558-480
HOLLEY
Now: $206.05Was: $228.95Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU T-56 Magnum Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, Holley EFI V6 Build 300, or later...558-480Now: $206.05Was: $228.95 -
On Sale
Holley GM Dominator Drive-by-Wire EFI Wiring Harness Early Truck 558-429
HOLLEY
Now: $242.95Was: $269.95Holley GM Dominator Drive-by-Wire EFI Wiring Harness Early Truck 558-429 Dominator EFI GM DBW Harness-Early Truck. Compatible with GM part number 10379038. Only the following factory...558-429Now: $242.95Was: $269.95 -
On Sale
Holley Universal 4BBL 1000 CFM Throttle Body Billet 112-577
HOLLEY
Now: $898.95Was: $999.95Holley Universal 4BBL 1000 CFM Throttle Body Billet 112-577 Universal 4BBL Billet 1000 CFM 4150 Flange Throttle Body If you're thinking of building either a high performance or race multi-point...112-577Now: $898.95Was: $999.95 -
Holley Dominator EFI ECU Vehicle Management Systems 554-114
HOLLEY
$2,349.95Holley Dominator EFI ECU Vehicle Management Systems 554-114 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the...554-114$2,349.95 -
On Sale
Holley HP EFI & Dominator EFI LS1/6 (24X/1X) Engine Main Harness, Extended Length 558-133
HOLLEY
Now: $604.95Was: $672.95Holley HP EFI & Dominator EFI LS1/6 (24X/1X) Engine Main Harness, Extended Length 558-133 This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and...558-133Now: $604.95Was: $672.95 -
Holley EFI Terminator X Wideband Adapter Harness 558-463
HOLLEY
$62.55Holley EFI Terminator X Wideband Adapter Harness 558-463 Service harness sensor adapter for Terminator X and X Max ECU only.558-463$62.55 -
On Sale
Holley EFI LSX Injector Harness for EV6 Injectors HP EFI/Dominator/Terminator X 558-201
HOLLEY
Now: $161.05Was: $178.95Holley EFI LSX Injector Harness for EV6 Injectors HP EFI/Dominator/Terminator X 558-201 LSx Injector Harness for HP EFI, Dominator EFI and Terminator X.558-201Now: $161.05Was: $178.95 -
On Sale
Holley EFI LS1/LS6 (24X/1X) Engine Main Harness for HP EFI/Dominator EFI 558-102
HOLLEY
Now: $568.95Was: $632.95Holley EFI LS1/LS6 (24X/1X) Engine Main Harness for HP EFI/Dominator EFI 558-102 This harness is designed for LS1/6 Engines, from 1997-2004. This harness interfaces with 24x Crank and 1x Cam sensors.558-102Now: $568.95Was: $632.95 -
On Sale
Holley GM Dominator Drive-by-Wire EFI Wiring Harness 558-406
HOLLEY
Now: $224.95Was: $249.95Holley GM Dominator Drive-by-Wire EFI Wiring Harness 558-406 Plug and Play with Holley Throttle Pedal Part Number - 145-160 Designed to work with GM Throttle body P/N's - 12570790 and...558-406Now: $224.95Was: $249.95 -
On Sale
Holley EFI Dominator Multi Map Selector 558-407
HOLLEY
Now: $155.65Was: $172.95Holley EFI Dominator Multi Map Selector 558-407558-407Now: $155.65Was: $172.95 -
On Sale
Holley EFI 3.500" Digital Dash Touch Screen LCD 553-108
HOLLEY
Now: $359.95Was: $399.95Holley EFI 3.500" Digital Dash Touch Screen LCD 553-108 The touch screen LCD provides a dynamic range of tuning and data monitoring options in a compact 3.5" LCD display Features: Full Color,...553-108Now: $359.95Was: $399.95 -
Dominator EFI Kit LS2 Main Harness w/ Trans, DBW w/ EV1 Injector Harness 550-660
HOLLEY
$3,399.95Dominator EFI Kit LS2 Main Harness w/ Trans, DBW w/ EV1 Injector Harness 550-660 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications...550-660$3,399.95