This Exhaust nut and rings have been painstakingly vapor blasted to make them as good as new (no carbon to mess up a good seal). The threads are perfect, and as you can see they look very nice, but not quite new.
Once they are on your bike someone would probably burn there nose trying to tell the difference. : )
1 nut: (18211234721)
1 compression ring (18211230585)
1 clamp ring (18211230586)
RealOEM says they are the correct part for these bikes:
R 60, R 75 , R 80, /7, RT (76-85) (05/1976 — 01/1985)R 65 GS, R 80 G/S, R 80 ST (80-92) (05/1980 — 07/1987)R 65, R 65 RT, R 80, R 80 RT (85-95) (03/1984 — 12/1995)R 80 GS, R 100 GS, PD (87-90) (12/1986 — 07/1990)R 80 GS, R 100 GS, PD (90-95) (04/1990 — 02/1996)R 80 GS Basic (96) (01/1996 — 12/1996)R 80 R, R 100 R, Mystik (91-95) (03/1991 — 01/1996)R 100, /7, /T, CS, RS, RT, S (76-84) (03/1976 — 11/1984)R 100 RS, R 100 RT (87-95) (07/1986 — 12/1995)A10B08 (87-97) (09/1987 — 01/1996)
Be sure to check out my other items.
I restore R100GS's (Primarily the early 90's PDs) and have contacts around the world that I get rare and well preserved parts from, usually specific to this model, but sometimes other Airheads, and of course many Airhead parts are interchangeable between many bikes.
When I have more parts than I have an immediate need for, I make them available to other enthusiasts. I'm always interested in networking with BMW owners with similar interests.