http://stores.sportbiketrackgear.com/Detail.bok?no=4911 its for a 08-12 but ive been told they would fit the 300 just wanted to make sure before i went ahead and bought also does anyone know about the brand how reliable ?

well based off Revzillas title id say they would fit both.
http://www.revzilla.com/motorcycle/woodcraft-complete-rearset-kit-kawasaki-ninja-250r-300

*edit* brand is good, alot of people use Woodcraft

Yes rearsets are the same.

The woodcrafts are a good brand but they lack the adjust-ability of some of the other brands.

thanks lady and gents ended up going with the SV racing ones thank you for the help !!!