HO 550-603 Holley EFI HP ECU And Harness LS2 & LS7 (58x)
$65.17
$79.51
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!
