OK, so here's what I've been kicking around for my next project.
A lamp from either the Ducati 350 head/cylinder on a base (that needs some extreme trimming and cutting) or a couple of HD cylinders with one turned upside-down on the other.
I've been looking for the right HD cylinders, but no luck so far. The one pictured took an incredible amount of time to get nice-looking highlights on the edges of the cylinders as they are pretty rough and uneven castings. I have a set of HD Twin Cam jugs with milled fins, but they are wider and more squat - which doesn't look quite right. I've been told Evolution jugs are what I want - same height and width as the ones I like but milled fins.
I picked-up this brushed metallic-looking shade to use either way. It's an unusual plastic that's actually partially transparent.
I might go with the Ducati head/cylinder in black with highlights, but it's going to be a tough one to do based on the size and shape of the finning and how it tapers off on the top of the head.
Still trying to decide...