Multi-Port EFI Kits

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 the do-it-yourself Hot Rodder to the...

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 Hot Rodder to the professional EFI tuner!...

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 the professional EFI tuner! This system is...

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...

Holley Terminator GM LS 4.8,5.3,6.0L 24x MPFI Kit 550-614 Features: For 1997 to 2007 4.8/5.3/6.0 truck engines with 24x crank reluctor/span> Kit includes everything you need to control your stock or mild LS Bosch wideband oxygen sensor...

Holley Terminator GM LS 58x MPFI Kit w/ DBW & Trans Control 550-613 Features: For GM LS2/3 engines and 2007 to current 4.8/5.3/6.0 truck engines with 58x crank reluctor, drive-by-wire, and 4L60/4L80E transmissions Kit includes everything you...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ NTK O2 550-607N Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ Bosch O2 550-607 Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ NTK O2 550-603N Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 58x ECU & Harness Kit w/ Bosch O2 550-603 550-602 Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 24x ECU & Harness Kit w/ NTK O2 550-602N Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...

Holley HP EFI GM LS 24x  ECU & Harness Kit w/ Bosch O2 550-602 Features & Benifits: Intuitive software and features designed for novice and veteran tuners  Fuel and Ignition Control for 4, 6, 8, 10 cylinder even fire...