Yes, I searched but I didn't find a list.
Might be handy to have a comprehensive list of seats that fit the 914 with objective and factual information only. Maybe something like:
www.kirkeyracing.com
Availability - Stocked Item
Construction - TIG welded aluminum
Finish - raw
Upholstery - snap on covers with padding, various materials and colors
Price - varies from $100 for basic seating on up
Seat Mounts - bolt in, could be modified for use with sliders
Weight - varies, as low as 13 lbs
Seat surface height off floor - 3 inches