Pressure ring For exhaust 38mm For all BMW 2-valv

Pressure ring This is an OEM quality replacement pressure ring for the exhaust connection at the cylinder head. Fits all 2V twins with 38mm headers.

Sold each. One per side needed.

For all BMW classic airhead models, except BMW R 45, R 65 and R 65LS.

Compare: 18211230585 / 18-21-1-230-585R 50/5, R 60/5, R 75/5, R 60/6, R 75/6, R 90/6, R 90S, R 60/7, R 75/7, R 80 up to 84, R 100 up to 84, R 80 Mono from 85 on, R 100 RS/RT Mono from 87 on, R 65GS 87-92, R 80 G/S,ST 80-87, R 80GS 87-96, R 100GS 87-96, R 80R 91-95, R 100R 91-95