UNPLATED Centre stand bolt and nut for early centre prop stand fitted to rigid frame Nortons 1935-1949. This is the early stand with a thread in the left hand stand ear. Does not suit the later stand that uses two separate short bolts, that bolts to lugs on the frame tubes, 1949+. Use with spring 3673, A2/527 Original part number 3671; A2/525 - centre stand bolt, prop stand bolt 3672; A2/526; E3224 - centre stand bolt nut, prop stand bolt nut - washer