Alan,
I think there is some confusion going on here. Your trunnion to my knowledge has triumph parts (only) to replace the old kit. This consists of a tube and two top hat sections (made from odd plastic type material, forgot the name) and two rubber seals and 4 pieces of tin. The item that you show on the photo does not look right. I was unawre that Supeflex did anthying for this area. The late Mick Miller (Susan Miller) had the rights to the Supeflex kit for the suspension bushes and only they supply them for Superflex.
If you have no Lotus books showing the trunnions go on the web on a Triumph site and look at Spitfire and GT6 verical links and the triunnions. Canley classics are a good site, they have exploded views.
Did you not take this apart yourself, as you should have a full compliment of the old parts, albiet worn.
Not being funny, but your kit looks wrong. I would stick to standard parts.
Is your vertical link worn or your trunnion (or both). When the trunnion is screwed on the link, is it snug fit? Were the old trunnion bushes shot?
Mike