QR Code Link to This Post Mustang Seats Wide Touring One Piece Studded Seat For Harley Softail Models. Part # 75503 List Price $499.00 Fits All Softail Models 1984-1999 Except FLSTS Model. Drivers Seat 17.5" Wide Passenger Seat 14" WideGenuine Mustang Seat for Harley Davidson Softail in Excellent Condition. Showroom Display Model.