action model centre has 1 pack of the eyelets in stock,
http://www.actionmodelcentre.co.uk/p...od=CAR-CA14803
it comes with the gtb shock bottoms
or you could buy it with the ball cups for the gt14b
http://www.actionmodelcentre.co.uk/p...od=CAR-CA14739
or you can also get the eyelets with the mini 8ight ball cup set
http://www.actionmodelcentre.co.uk/p...d=LOS-LOSB1896
part numbers are,
ca14739 GT14B 4.3mm Ball Cap
or
ca 14803 shock plastic parts set
or
losb1896 ball cup mini 8ight
all 3 packs have the small eyelets that you need but not the bar,
i would make the bar by cutting the head off a screw, i did,