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HOL-550-601 PART NUMBER
HOLLEY 550-601 HP EFI ECU & HARNESS KITS$2,749.95 -
HOL-550-602 PART NUMBER
HOLLEY 550-602 HP EFI ECU & HARNESS KITS$2,849.95GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Learn More -
HOL-550-603 PART NUMBER
HOLLEY 550-603 HP EFI ECU & HARNESS KITS$2,849.95GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor Learn More -
HOL-550-604 PART NUMBER
HOLLEY 550-604 HP EFI ECU & HARNESS KITS$2,749.95 -
HOL-550-605 PART NUMBER
HOLLEY 550-605 HP EFI ECU & HARNESS KITS$2,749.95 -
HOL-554-114 PART NUMBER
HOLLEY 554-114 DOMINATOR EFI ECU$2,499.95Integrated electronic transmission control, drive by wire throttle control, dual wideband oxygen sensor capability, extensive amount of inputs and outputs for various combinations. Learn More -
HOL-534-300 PART NUMBER
534-300 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD$1,171.95HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - GOLD
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Secondary Service Throttle Body - 4 Injectors -
HOL-534-298 PART NUMBER
534-298 HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - POLISHED$1,171.95HOLLEY EFI TERMINATOR X STEALTH 4150 SECONDARY THROTTLE BODY - POLISHED
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Secondary Service Throttle Body - 4 Injectors -
HOL-534-307 PART NUMBER
534-307 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - POLISHED$1,171.95HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - POLISHED
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4150 Flange Throttle Body - Compatible w/ MPFI Intake Manifolds -
HOL-534-308 PART NUMBER
534-308 HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - BLACK$1,171.95HOLLEY EFI TERMINATOR X STEALTH 4150 AIR VALVE - BLACK
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4150 Flange Throttle Body - Compatible w/ MPFI Intake Manifolds