Pressure ring This is an OEM quality replacement pressure ring for the exhaust connection at the cylinder head. Fits all BMW 2V twins with 40mm headers.
Sold each. One per side needed.
Fits BMW R 2V Boxer models R 100S, R 100RS, R 100RT tup to 9/1980.
Compare: 18211234448 / 18-21-1-234-448