Multi-Port EFI Kits

Holley EFI GM F-Body T-56 Transmission Harness for Terminator X Max ECU   F-Body T-56 Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, or Holley EFI V6 Build 300, or later.   F-Body T-56 Transmission Harness -...

Holley 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.   T-56 Magnum Transmission Harness - Terminated...

FiTech Ultimate Rebel LS 1000HP 102mm EFI System Cable Drive w/ Trans Control 70093 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

FiTech Ultimate Rebel LS 1000HP 102mm EFI System Cable Drive w/o Trans Control 70092 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

FiTech Ultimate Rebel LS 750HP 102mm EFI System Cable Drive w/ Trans Control 70091 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

FiTech Ultimate Rebel LS 750HP 102mm EFI System Cable Drive w/o Trans Control 70090 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

FiTech Ultimate Rebel LS 500HP 92mm EFI System Cable Drive w/ Trans Control 70089 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

FiTech Ultimate Rebel LS 500HP 92mm EFI System Cable Drive w/o Trans Control 70088 Elevate your LS engine conversion with the Ultimate Rebel LS EFI System – a perfect fusion of aesthetics and performance. Experience the power of modern...

Holley 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 transmission control, drive by wire, and dual wideband...

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...

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...