These are "SCHEEL" seat rails https://pbase.com/image/121340999, but I don't really know which model year 911 or "seat model" they were used on. At this point, I'm curious to find out and any leads or information are certainly welcome. Thank you for your time!

For comparison to my early 914-6 GT Scheel made seat rails, please go to the two following links. Notice any similarities?

Look here first https://pbase.com/9146gt/image/121340999 then here https://pbase.com/9146gt/image/97631438

Now look here first https://pbase.com/9146gt/image/121341009 then here https://pbase.com/9146gt/image/87182839

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This seat rail here https://pbase.com/9146gt/image/121341006 and https://pbase.com/9146gt/image/121341004 were probably made by Recaro and not Scheel, but I don't know for sure. Do you know?

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My unrestored Scheel rails https://pbase.com/9146gt/my9146gt_scheel_seat_rails_resto and after restoration https://pbase.com/9146gt/my9146gt_scheel_seat_rails_finished - For fun, I'm also including this photo link https://pbase.com/9146gt/image/97640330 a rare photo showing the entire inventory of Recaro and Scheel set rails I used to have, about $25,000 worth. Amazing to me, we used to pick these up dirt cheap years back.