Holley EFI HP EFI Kit for GM LS1/LS6 Engines (BOSCH 02 Sensor) GBDXL2 Includes GPS Antenna

Includes GPS Antenna

Push-Button

Product Type: Valve Covers

Deflection in the OE mount can cause camber and caster changes during aggressive handling

Holley EFI HP EFI Kit for GM LS1/LS6 Engines (BOSCH 02 Sensor) GBDXL2 Includes GPS AntennaHP EFI Kit for GM LS1 LS6 Engines (BOSCH 02 Sensor) 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! Stop reflashing your factory ECU every time you make a performance modification.