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Holley HP EFI ECU and Harness Kits Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, GM, LS2, LS7, 58x Crank Sensor, Kit Brand: Holley Manufacturer's Part Number: 550-603 Part Type: Engine Management Systems Product Line: Holley HP EFI ECU and Harness Kits Summit Racing Part Number: HLY-550-603 UPC: 090127666937 Transmission Controller Included: No Boost Control: Yes Traction Control: Yes High Impedence Injectors: Up to 16 Low Impedence Injectors: Up to 16 Coils: Up to 8 Digital Inputs: 4 Wideband Controller: Yes Wideband Channels: 1 CANBUS Enabled: Yes CANBUS Networks: 1 Knock Control: Yes Knock Channels: 2 Drive-By-Wire Capable: No VVT Control: No Nitrous Control: Yes Launch Control: No Engine Protection: Yes Flex Fuel Compatible: No Multi-fuel Capable: No Data Logger: Yes Oxygen Sensor Included: Yes Display Included: No Handheld Controller Included: No Remanufactured: No Quantity: Sold individually. Notes: Designed for use with GM LS2/LS3 and LS7 engines with 58x crank sensor, re-use factory GM ignition coil harnesses.
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🇺🇸 Ship from USA · On Agora since 2026
$3,000.00