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Holley EFI Control Module And Harness Kit - 550-603

Part #:: 550-603
Line:: HLY

Manufacturer's Defect Warranty

Ignition Type: GM, LS 58x

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Holley EFI Control Module Harness - 550-603N

Part #:: 550-603N
Line:: HLY

90 Day Limited Warranty

Ignition Type: GM LS

Fuel Injector Type: USCAR (EV6)

Crank Reluctor Type: 58x