Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series 4704323-20- S 2003-2019 GMC Savana 2500

2003-2019 GMC Savana 2500

Using AutoMeter's universal gauge cup

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Holley EFI HP EFI Engine Control Module - Wiring Harness - LS2/LS3/LS7 - GM LS-Series 4704323-20- S 2003-2019 GMC Savana 2500ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Holley HP EFI systems are equipped with 4 programmable inputs and 4 programmable outputs that are ideal for most vehicles with a single power adder. This feature allows the user to configure the system to support a wide range of controls including boost control, progressive nitrous, water meth injection, speed inputs, fuel pump