Multi-Port EFI Kits

FiTech 500HP LS3/L92 92mm Ultimate EFI System 70011 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...

(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...

(Limited time only - Save $50 at checkout) FiTech 750HP LS1/LS2/LS6 102mm Ultimate EFI Kit 70003 (Forced Induction Compatible) FiTech Ultimate LS Instructions Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself...

(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 500HP Ultimate LS1/LS2/LS6 92mm EFI Kit 70001 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...

FAST XFI GM Gen IV LS Fuel Injector Harness 301209 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.        

FAST XFI GM Gen III LS Fuel Injector Harness 301202 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.        

FAST XFI Main Harness Connectors 301000K - Connectors Only, NO WIRES Weather Pack Connectors for FAST XFI System.      

FAST GM LS XFI Main Harness 301108 This XFI Main Harness has labeled wires with weather pack connectors to fit the specified application. Easy plug and play with FAST XFI 2.0 ECU.       

FAST XFI 2.0 Marine ECU 301015 For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are tailored to perfectly match the specific brand and model of...

FAST XFI 2.0 ECU w/ Data Logging & Traction Control 301008 - 16 Injector Option For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are...

FAST XFI 2.0 ECU w/ Data Logging & Traction Control 301007 For owners of fuel injected crate/transplant engines, FAST™ presents a solution to allow easy conversion to aftermarket EFI for late model engines. Kits are tailored to perfectly match...