valve spring needed

does anyone know where i can get hold of 052109415 from its the spring that holds the valve

number 6 in this diagram

http://autopartmaster.com/en/?action=catalog_show&cat=vw&t_id=22103&id_pic=949&cod=N0101371

any help will be much appreciated

car is a 1.3 driver 198

hi try redman engines 01253778969.

hi if it is same on 1100 golf I have a spare head if its help with 84000 on clock

thanks for your help tried RedMan and no joy even a second hand one would be cool