best HG to use?

http://ift.tt/1gqwOxj

has anyone use the kits above? any good? id rather spend abit of money on a good hg but dont want riped off with something that isnt going to last. currently i have a mg zt 1.8t with oil mixing in to the coolant, pushing coolant out of bottle when reved and coolant weaping from hg around cilinder no 4.



any help and guidence would be helpfull :)



cheers will

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