The Walbro GSS342 Fuel pump for the 2003-2006 Infiniti G35 Sedan and 2003-2006 Infiniti G35 Coupe is a necessary upgrade when doing any major upgrades. This walbro fuel pump is a pretty straight forward replacement for the stock pump and will provide enough fuel for up to about 600 Rwhp.
For installation instructions this is a very good guide:GSS342 Infiniti G35 Install
Note: The G35 Sedan is a little different then the pictures in the install instructions. Contact us for details