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HOL-550-603N PART NUMBER
HOLLEY 550-603N HP EFI ECU & HARNESS KITS$3,099.95
HP EFI ECU & HARNESS KITS
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GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor -
HOL-550-602N PART NUMBER
HOLLEY 550-602N HP EFI ECU & HARNESS KITS$3,099.95
HP EFI ECU & HARNESS KITS
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GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness, Includes NTK Oxygen Sensor -
HOL-550-903 PART NUMBER
550-903 Holley Terminator X LS1 24X/1X MPFI Kit 550-903$1,599.95
Fits GM LS LS1/LS6 Engines, 24x Crank, 1x Cam, EV1 Injector Harness, 3.5" Touchscreen Included Learn More -
HOL-550-904 PART NUMBER
Holley Terminator X Early Truck LS 24X/1X MPFI Kit 550-904$1,599.95
Fits GM LS 4.8 / 5.3 / 6.0 Truck Engines, 24x Crank, 1x Cam, Multec 2 Injector Harness, 3.5" Touchscreen Included Learn More -
HOL-550-909 PART NUMBER
Holley Terminator X Chevy LS 24X / 1X MPFI Kit 550-909$1,599.95
Fits GM LS1 and LS6, 24x Crank, 1x Cam, EV6 Injector Harness, No Laptop Required, 3.5" Touchscreen Included Learn More -
HOL-550-910 PART NUMBER
Holley Terminator X Chevy LS 58X / 4X MPFI Kit 550-910$1,599.95
Fits GM 4.8 / 5.3 / 6.0 Truck and LS2 / LS3, 58x Crank, 4x Cam, EV1 Injector Harness, No Laptop Required, 3.5" Touchscreen Included Learn More -
HOL-550-919 PART NUMBER
Holley Terminator X Max Chevy LS 24X / 1X MPFI Kit w/ Trans Control 550-919$1,999.95
Fits GM LS1 and LS6, 4L60/4L80 Transmission Control, 24x Crank, 1x Cam, EV6 Injector Harness, No Laptop Required, 3.5" Touchscreen Included Learn More -
HOL-550-920 PART NUMBER
Holley Terminator X Max Chevy LS 58X / 4X MPFI Kit w/ Trans Control 550-920$1,999.95
Fits GM LS2 and LS3 Late Truck, 4L60/4L80 Transmission Control, 58x Crank, 4x Cam, Bosch Injector Harness, No Laptop Required, 3.5" Touchscreen Included Learn More -
HOL-550-932 PART NUMBER
Holley Terminator X Max LS1 24X / 1X MPFI Kit w/ DBW 550-932$1,999.95
Fits GM LS1 / LS6, 24x Crank, 1x Cam, EV6 Injector Harness, Drive By Wire Throttle Body Control, No Laptop Required, 3.5" Touchscreen Included Learn More -
HOL-550-933 PART NUMBER
Holley Terminator X Max LS Truck 58X / 4X MPFI Kit w/ DBW 550-933$1,999.95
Fits GM 4.8/5.3/6.0 LS Truck Engines and LS2/LS3 , 58x Crank, 4x Cam, Drive-By-Wire Throttle Body, EV1 Injectors, No Laptop Required, 3.5" Touchscreen Included Learn More