Multi-Port EFI Kits

Holley 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.

Holley 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 12580760 Designed to work with GM Throttle Pedal P/N - 10379038...

Holley EFI Dominator Multi Map Selector 558-407  

Dominator 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. In addition to the transmission control, drive by wire,...

Dominator EFI Kit LS2 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-658 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by...

Dominator EFI Kit LS2 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-658 Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors, and a 4L60/80E Transmission Dominator® EFI Vehicle Management Systems are intended...

Dominator EFI Kit LS1 Main Harness w/ Trans Control, DBW w/ EV1 Injector Harness 550-657 Fits GM LS 24x Crank, 1x Cam - LS1/LS6 style Engines with EV1 Injectors a 4L60/80E Transmission, and a DBW Throttle Body. Dominator® EFI Vehicle Management...

Dominator EFI Kit LS1 Main Harness w/ Trans Control w/ EV1 Injector Harness 550-656 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by...

Dominator EFI Kit LS2 Main Harness w/ EV1 Injector Harness 550-651 Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual...

FiTech 1000HP LS7 102mm Ultimate EFI System w/Trans Control 70037 FiTech Ultimate LS EFI 1,000 HP fuel injection systems with 102mm throttle body and trans control are a complete self-tuning induction system for LS engines designed for the...

FiTech 1000HP LS7 102mm Ultimate EFI System / Short Cathedral Intake 70036 FiTech Ultimate LS EFI 1,000 HP fuel injection systems with 102mm throttle body are a complete self-tuning induction system for LS engines designed for the do-it-yourself hot...

FiTech 1000HP LS3 102mm Ultimate EFI System w/Trans Control 70035 The Ultimate LS3 1000 HP Intake Manifold Kit with 102mm throttle body and trans control are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot...