fitted my new braded hoses all round. refitted the brake pressure control valve after stopping it leaking. double checked i mean double checked everything still the same. fuk it took it up my mates put it on the rollers he`s been putting on the brake tester for years. the rears have no inbalance but there binding ever so slightly both the same. the front ns calliper is working 35 percent less than the os front on initial brakeing squeeze the pedal abit more it shows no inbalance. dont forget these are as good as new callipers. so now ive gone for another master cylinder cant get them new anymore got a second hand one comeing to morrow.doe anybody no if you can get seal kits for these i had a quick search found nothing. i spoke to ggr/burton/woodford motor sport all said s/h one good luck they said i managed to get the hole unit from rs clasics so ill be fitting that 2morrow fingers crossed