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I have a pair of blue 4 point TRS harnesses, they have 3" shoulder straps and 2" leg straps and have the proper aircraft type buckle. They can be made into a 5/6 point harness if you add the extra strap.
They are out of FIA but great for track and drag days £80
They have the clip for an eye bolt and are not for a harness unless you know how to adapt them? Without getting them stripped and pics taken here is a picture of them in my car