Actually dude . Being in the states , there is a nissan dealers on eBay that I have bought a load of oem bits from. Cheepsake nissan. I will have a look later for the oem part numbers, it may be cheaper and easier for you to buy direct through them!
Feast Japan are actually on here, you could contact them through the forum ? http://forum.s15oc.com/showthread.php?t=13938