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Radium Engineering second pump add-on kit for 1990–2005 Acura NSX applications expands in-tank capacity on compatible Radium hangers (20-2792). The adapter accepts Walbro F90000-series pumps or other units with a similar form factor and wiring arrangement, letting you install a dual-pump setup. Fuel pumps are sold separately; the kit provides the hardware to add a second pump to the existing hanger.
Radium Engineering 90-05 Acura NSX Dual Pump Add-On (wal F90000267/274/285)
