Multi-Port EFI Kits

Holley Terminator X Max GM LS Standalone ECU & Wire Harness 550-932 - 24x/EV6/DBW Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your...

(Limited time only - Save $50 at checkout) FiTech 500HP LS3/L92 92mm Ultimate EFI System w/ Transmission Control 70012 FiTech Ultimate LS Instructions Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to the...

ACES Fuel Injection LS Jackpot EFI Systems  The Jackpot LS EFI system is the latest and most advanced self-learning system for GM LS-based engines. Aces designed this engine control technology to be not only affordable, but also with enough...

Aces Jackpot LS3/L92 EFI Master Kit 255 In-line Pump System w/40' PTFE Hose DBC & Trans Control - Rectangle Port The Jackpot LS EFI system is the latest and most advanced self-learning system for GM LS-based engines. Aces designed this engine...

FAST XFI Sportsman GM LS Multi-Port Fuel Injection Kit 303005 Custom-Tunable EFI to Fill the Gap Between EZ-EFI & XFI 2.0  Designed for muscle car, late model street and sportsman drag racing engines, along with boosted and individual runner...

FiTech Ultimate LS Truck 750HP EFI Kit FiTech Ultimate LS Instructions Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to the professional EFI tuner! This system is ready to go with everything needed to...

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...

Holley 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.

Holley EFI Terminator X Wideband Adapter Harness 558-463 Service harness sensor adapter for Terminator X and X Max ECU only.

Holley Terminator X GM LS Standalone ECU & Wire Harness 550-905 - 58x/EV6 (Without Hand-Held) Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of...

Holley Terminator X GM LS Standalone ECU & Wire Harness 550-909T - 24x/EV6 Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine,...

FAST EDash XFI Touchscreen Tuner 301517 Up to 20 Live Data Readings, On-The-Fly Tune Changes & More; By Single Connector The XFI eDash makes harnessing the power of FAST XFI systems even easier. The unit lets users view multiple sensors in...