Multi-Port EFI Kits

LSXceleration LS1 to LS3 Style Map Sensor Adapter 28-416 This adapter allows the use of an LS3 style map sensor with an LS1/LS2 style map sensor harness. 

FiTech Ultimate LS Standalone ECU & Wire Harness w/ Trans Control 70051 This kit comes with the ECU & Wire Harness only from the LS Ultimate EFI Inductions Systems. This kit does come with transmission control.  

FiTech Ultimate LS Transmission Control Harness 70050-5 Transmission control harness for FiTech Ultimate LS EFI Kits

FiTech Ultimate LS EV6 Fuel Injector Harness 70050-8 EV6 fuel injector subharness for use with FiTech Ultimate LS. 2 needed per engine, sold individually.

FiTech Ultimate LS Standalone ECU & Wire Harness 70050 This kit comes with the ECU & Wire Harness only from the LS Ultimate EFI Inductions Systems. Does not have transmission control.  

(Limited time only - Save $50 at checkout) FiTech 500HP LS1/LS2/LS6 92mm Ultimate EFI Kit w/ Transmission Control 70002 FiTech Ultimate LS Instructions Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to...

FiTech Ultimate LS EV1 Fuel Injector Harness 70050-4 EV1 fuel injector subharness for use with FiTech Ultimate LS. 2 needed per engine, sold individually.

Holley Terminator X GM LS Standalone ECU & Wire Harness 550-905 - 58x/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,...

(Limited time only - Save $50 at checkout) FiTech 750HP LS1/LS2/LS6 102mm Ultimate EFI Kit w/ Transmission Control 70004 (Forced Induction Compatible) FiTech Ultimate LS Instructions Complete Self Tuning Induction Systems for LS engines designed for...

FiTech Ultimate LS Truck 500HP EFI Kit W/ Transmission Control 70007 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...

Holley Terminator X Max GM LS Standalone ECU & Wire Harness 550-919 - 24x/EV6/Trans Control 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...

Holley Terminator X Max GM LS Standalone ECU & Wire Harness 550-918 - 58x/EV6/Trans Control 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...