hi greig, i just noticed this post,i have a flanged neck and cap that can be bolted or welded on,i also have a few neck units (part no ntc 2676) with filter ,inner cover and cap and plastic body panel.the flanged neck is free ,but the other parts are new and boxed,and they owe me £30.i am based in cumnock ,but my son travels thru the shires a bit. davy