FiTech 1000 HP LS1/LS2/LS6 102mm Ultimate EFI System 70030 The Ultimate LS1/LS2/LS6 1000HP Intake Manifold Kit with 102mm Throttle Body are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot rodder to the...

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.

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

FiTech Retro LS Throttle Body EFI Kit Installation Instructions for FiTech 37001 Retro LS Throttle Body Kit FiTech Fuel Injection Retro LS Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to the...

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...