Holley EFI HP EFI ECU & Harness Kit, GM LS2 42040BK Designed for engine

Designed for engine

Advanced Tables - ( 4x 1D tables

1979-1998 GMC C1500

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Holley EFI HP EFI ECU & Harness Kit, GM LS2 42040BK Designed for engineHP EFI ECU & Harness Kit, GM LS2 Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water meth? This HP EFI kit can control that too! ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition