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HOL-558-501 PART NUMBER
HOLLEY 558-501 GM 58X EFI HARNESS KIT$949.95
GM 58X EFI HARNESS KIT
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GM LS2/LS3/LS7, 58X Crank Sensor, USCAR/ EV6 Injector -
HOL-550-651 PART NUMBER
HOLLEY 550-651 DOMINATOR EFI KIT - LS2 MAIN HARNESS WITH EV1 INJECTOR HARNESS$3,299.95
DOMINATOR EFI KIT - LS2 MAIN HARNESS WITH EV1 INJECTOR HARNESS
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Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors -
HOL-550-607 PART NUMBER
HOLLEY 550-607 HP EFI ECU & HARNESS KITS$2,849.95
HP EFI ECU & HARNESS KITS
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GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor -
HOL-550-601N PART NUMBER
HOLLEY 550-601N HP EFI ECU & HARNESS KITS$2,999.95
HP EFI ECU & HARNESS KITS
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GM TPI and Holley Stealth Ram™, Includes NTK Oxygen Sensor