Spectra Sending units for use on EFI and LS Swaps for squarebody pickups
These sending units allow you to install a high pressure EFI fuel pump into your squarebody tanks. It is recommended you also upgrade to an 87+ tank
When completing a squarebody LS swap these senders allow you to install an EFI ready pump into your fuel tank. Choose FG05M for drivers side and FG05N for passenger side.