The most reasonably priced component used on the Vl800 Boulevard C50 2008 (k8) Usa California (e03 E33) Seat (vl800tk6/ck6/tk7/tk8) is the Cushion(11.5x22x20).
With four applications this Washer(6.5x24x1.6) is the most specified part.
A sample from the products for the Seat (vl800tk6/ck6/tk7/tk8) include: Band,seat, Bracket,seat, Seat Assy,pillion, Seat Assy(black).