Ok I didn't realize it , but advance auto is only a mid-u.s. to east coast store. You can check w/ any parts store ,but usually you won't find 4 "new" injectors (for a 240) for less than $220 and if you do there reman.. I found this though.......
http://cgi.ebay.com/ebaymotors/Nissa...QQcmdZViewItem
Hope it helps.