Multi-Port EFI Kits

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

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...

FAST EZ EFI Fuel Pump Relay Harness

FiTech Ultimate LS Torque Plus Cathedral Port 600hp EFI Kit w/ Transmission Control Fitech Ultimate LS EFI Kit with Transmission Control up to 600hp. Includes Composite Cathedral Port Intake Manifold.

FiTech Ultimate LS Torque Plus Cathedral Port 600hp EFI Kit Fitech Ultimate LS EFI Kit with Composite Cathedral Port Intake Manifold up to 600hp.

FiTech Ultimate LS7 750HP EFI Kit w/ Transmission Control 70018 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...

FiTech Ultimate LS7 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...

FiTech Ultimate LS7 500hp EFI Kit 70015 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...

FiTech Ultimate LS7 500HP EFI Kit w/ Transmission Control 70016 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...

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...

FiTech Ultimate LS Truck 750HP EFI Kit W/ Transmission Control 70009 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...

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...