The most expensive part in this assembly is the Box Assy,seat Tail(white).
A sample from the products for the Seat Tail Box (model K3) include: Cushion, Tape Set,box Seat Tail, Box Assy,seat Tail(white), Box Assy,seat Tail(silver).
six components are listed in the schematic for this Gsxr1000z 2004 (k4) Usa (e03) Seat Tail Box (model K3) .