I have sold my D66 however the new owner found a broken king pin and subsequently broken springs in each end of the link. Also a thinner spring in the associated ball connection. The King pin has been repaired as I had one from a pair bought many years ago. Dimensions of Compression springs Measurements; External diameter;24mm internal diameter; 15.5mm length; 17mm and coil thickness; 4mm. Possibly same in all models. Would appreciate an email from anyone who may have one. My email is donoghoe38@bigpond.com.au