Holley EFI HP EFI Kit for GM LS1/LS6 Engines (BOSCH 02 Sensor) 600080139 Polycarbonate

Polycarbonate

Engine Side Plate Gasket

2019 GMC Sierra 1500 Limited 78

Hammer Console Shifter

Fuel Filter End Cap 10AN

Holley EFI HP EFI Kit for GM LS1/LS6 Engines (BOSCH 02 Sensor) 600080139 PolycarbonateHP 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.