Air tech and Catalyst have full aps legal fairing. They are basically for a Busa but can be mounted on anything. Kent(air tech) has a variety of fairings. It's up to you to make it work.
WW we with partial streamlining don't come close to streamline speeds. Joe Amo has the fastest one way speed on a sit on bike at272. There has never been a fatality, at Bonneville, on a sit on bike.