sorry, Front not rear. one like this... but for the passenger side. mine is knackard!
http://www.ebay.co.uk/itm/like/Nissan-350Z-Front-Upper-Top-Control-Arm-Wishbone-Offside-Right-Driver-CHEAP/281728268691?hlpht=true&ops=true&viphx=1&_trksid=p2050601.c100103.m2451&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20150422114059%26meid%3D8f8a99bb3b5b4167bd3794e83798087b%26pid%3D100103%26rk%3D1%26rkt%3D4%26sd%3D281728268691%26clkid%3D1114394566369483979&_qi=RTM2065547