If you go to BNT (brake and transmission) and ask them to look in their book, buy the ones they have listed for an "HB310". They're 10mm longer, and goive you a bit of free negative camber.
Brock might know the part number for them?
They don't call me the man with the rubber arm for nothing you know.............
agreed with autolign. repco would be a last resort, but the good thing is that bnt own autolign, so if they dont have it, they can get it from autolign
So far bart both my 310 arms in the y and i think brendans 310 wagon arms have the longer ones fitted factory - this part was probably a camber fix from factory as they come out with pos 1 degree both sides and would have had massive outer tyre wear in some countries like ours. Either that or there is longer and shorter bottom arms to go with the short and long ball joint (so effectively making both options same length untill we come along and put the two longs together
these ones do look like the narrow ones at a glance - hope so coz if you fit the wide ones you should pull a degree neg camber with them, the part number you will need is bj163 and just tell the guys there that brock from BNT hornby has sent you to them.
Also dont forget to do a wheel alignment after fitting all the new bits.