The front bushes supplied with Koni inserts do look as if they work with front camber plates from 1965 to early 1970 but are as you have noted completely incorrect for later model years.
Although the Koni bush looks as if it works and will fit the earlier car but is different they are a different shape and are missing the 'spigot' which locates them in the centre of the camber plate.
We have re-manufactured a correctly shaped NBR Bush of 80 Shore A Hardness along with the correct diameter plate washer, stainless steel tab washer and a fine pitch 14mm nut of the same pattern as used on early cars.
